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164407151 = 2326926573
BaseRepresentation
bin10011100110010…
…10011101101111
3102110100202012202
421303022131233
5314042012101
624151452115
74034303066
oct1163123557
9373322182
10164407151
1184892587
124708703b
13280a474c
1417b991dd
15e67836b
hex9cca76f

164407151 has 8 divisors (see below), whose sum is σ = 172199520. Its totient is φ = 156668512.

The previous prime is 164407129. The next prime is 164407157. The reversal of 164407151 is 151704461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 164407151 - 210 = 164406127 is a prime.

It is a super-3 number, since 3×1644071513 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164407157) 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 7 ways as a sum of consecutive naturals, for example, 7100 + ... + 19473.

It is an arithmetic number, because the mean of its divisors is an integer number (21524940).

Almost surely, 2164407151 is an apocalyptic number.

164407151 is a deficient number, since it is larger than the sum of its proper divisors (7792369).

164407151 is a wasteful number, since it uses less digits than its factorization.

164407151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26865.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 164407151 is about 12822.1351966043. The cubic root of 164407151 is about 547.8229654845.

The spelling of 164407151 in words is "one hundred sixty-four million, four hundred seven thousand, one hundred fifty-one".

Divisors: 1 23 269 6187 26573 611179 7148137 164407151