164731626612 has 96 divisors (see below), whose sum is σ = 496366617600. Its totient is φ = 46268434656.

The previous prime is 164731626607. The next prime is 164731626613. The reversal of 164731626612 is 216626137461.

164731626612 is a `hidden beast` number, since 1 + 6 + 4 + 7 + 3 + 1 + 6 + 26 + 612 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164731626613) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1801998 + ... + 1891205.

It is an arithmetic number, because the mean of its divisors is an integer number (5170485600).

Almost surely, 2^164731626612 is an apocalyptic number.

164731626612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

164731626612 is an abundant number, since it is smaller than the sum of its proper divisors (331634990988).

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

164731626612 is a wasteful number, since it uses less digits than its factorization.

164731626612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3693282 (or 3693274 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The spelling of 164731626612 in words is "one hundred sixty-four billion, seven hundred thirty-one million, six hundred twenty-six thousand, six hundred twelve".