164951928 has 24 divisors (see below), whose sum is σ = 446745000. Its totient is φ = 54983952.

The previous prime is 164951903. The next prime is 164951951. The reversal of 164951928 is 829159461.

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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 5 ways as a sum of consecutive naturals, for example, 1145428 + ... + 1145571.

It is an arithmetic number, because the mean of its divisors is an integer number (18614375).

Almost surely, 2^164951928 is an apocalyptic number.

164951928 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

164951928 is an abundant number, since it is smaller than the sum of its proper divisors (281793072).

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

164951928 is a wasteful number, since it uses less digits than its factorization.

164951928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2291011 (or 2291004 counting only the distinct ones).

The product of its digits is 155520, while the sum is 45.

The square root of 164951928 is about 12843.3612422917. The cubic root of 164951928 is about 548.4273842876.

The spelling of 164951928 in words is "one hundred sixty-four million, nine hundred fifty-one thousand, nine hundred twenty-eight".