164665362764 has 12 divisors (see below), whose sum is σ = 329330725584. Its totient is φ = 70570869744.

The previous prime is 164665362749. The next prime is 164665362767. The reversal of 164665362764 is 467263566461.

164665362764 is an admirable number.

It is a super-2 number, since 2×164665362764² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (164665362767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2940452879 + ... + 2940452934.

It is an arithmetic number, because the mean of its divisors is an integer number (27444227132).

Almost surely, 2^164665362764 is an apocalyptic number.

164665362764 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

164665362764 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

164665362764 is a wasteful number, since it uses less digits than its factorization.

164665362764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5880905824 (or 5880905822 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 56.

The spelling of 164665362764 in words is "one hundred sixty-four billion, six hundred sixty-five million, three hundred sixty-two thousand, seven hundred sixty-four".