164476940 has 24 divisors (see below), whose sum is σ = 345649920. Its totient is φ = 65743488.

The previous prime is 164476931. The next prime is 164476993. The reversal of 164476940 is 49674461.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42944 + ... + 46616.

It is an arithmetic number, because the mean of its divisors is an integer number (14402080).

Almost surely, 2^164476940 is an apocalyptic number.

164476940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164476940 is an abundant number, since it is smaller than the sum of its proper divisors (181172980).

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

164476940 is a wasteful number, since it uses less digits than its factorization.

164476940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5921 (or 5919 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 164476940 is about 12824.8563344780. The cubic root of 164476940 is about 547.9004694298.

The spelling of 164476940 in words is "one hundred sixty-four million, four hundred seventy-six thousand, nine hundred forty".