164766644 has 12 divisors (see below), whose sum is σ = 329533344. Its totient is φ = 70614264.

The previous prime is 164766629. The next prime is 164766671. The reversal of 164766644 is 446667461.

164766644 is an admirable number.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 164766595 and 164766604.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 2942234 + ... + 2942289.

It is an arithmetic number, because the mean of its divisors is an integer number (27461112).

Almost surely, 2^164766644 is an apocalyptic number.

164766644 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

164766644 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.

164766644 is a wasteful number, since it uses less digits than its factorization.

164766644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5884534 (or 5884532 counting only the distinct ones).

The product of its digits is 580608, while the sum is 44.

The square root of 164766644 is about 12836.1459948070. The cubic root of 164766644 is about 548.2219650661.

The spelling of 164766644 in words is "one hundred sixty-four million, seven hundred sixty-six thousand, six hundred forty-four".