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166930269 = 3112895167
BaseRepresentation
bin10011111001100…
…10011101011101
3102122002221021120
421330302131131
5320213232034
624321521153
74064612112
oct1174623535
9378087246
10166930269
1186256200
1247aa31b9
132877900c
1418254909
15e9c5c49
hex9f3275d

166930269 has 24 divisors (see below), whose sum is σ = 247443840. Its totient is φ = 100013760.

The previous prime is 166930223. The next prime is 166930271. The reversal of 166930269 is 962039661.

It is not a de Polignac number, because 166930269 - 212 = 166926173 is a prime.

It is a super-2 number, since 2×1669302692 = 55731429416824722, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 166930269.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166930279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29724 + ... + 34890.

It is an arithmetic number, because the mean of its divisors is an integer number (10310160).

Almost surely, 2166930269 is an apocalyptic number.

It is an amenable number.

166930269 is a deficient number, since it is larger than the sum of its proper divisors (80513571).

166930269 is a wasteful number, since it uses less digits than its factorization.

166930269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5281 (or 5270 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 42.

The square root of 166930269 is about 12920.1497282346. The cubic root of 166930269 is about 550.6111872336.

The spelling of 166930269 in words is "one hundred sixty-six million, nine hundred thirty thousand, two hundred sixty-nine".

Divisors: 1 3 11 33 89 121 267 363 979 2937 5167 10769 15501 32307 56837 170511 459863 625207 1379589 1875621 5058493 15175479 55643423 166930269