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164166366 = 23721342953
BaseRepresentation
bin10011100100011…
…11101011011110
3102102220111220210
421302033223132
5314011310431
624142353250
74032251100
oct1162175336
9372814823
10164166366
1184738691
1246b8b826
132801bc80
1417b35570
15e62bd46

164166366 has 48 divisors (see below), whose sum is σ = 411327504. Its totient is φ = 43295616.

The previous prime is 164166313. The next prime is 164166383. The reversal of 164166366 is 663661461.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

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, 17655 + ... + 25298.

It is an arithmetic number, because the mean of its divisors is an integer number (8569323).

Almost surely, 2164166366 is an apocalyptic number.

164166366 is an abundant number, since it is smaller than the sum of its proper divisors (247161138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164166366 is a wasteful number, since it uses less digits than its factorization.

164166366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42985 (or 42978 counting only the distinct ones).

The product of its digits is 93312, while the sum is 39.

The square root of 164166366 is about 12812.7423294157. The cubic root of 164166366 is about 547.5553939908. Note that the first 3 decimals are identical.

The spelling of 164166366 in words is "one hundred sixty-four million, one hundred sixty-six thousand, three hundred sixty-six".