164351616635056 has 80 divisors (see below), whose sum is σ = 327545214827040. Its totient is φ = 79859073392640.

The previous prime is 164351616635009. The next prime is 164351616635057. The reversal of 164351616635056 is 650536616153461.

It is a super-2 number, since 2×164351616635056² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (164351616635057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54093750 + ... + 57051178.

It is an arithmetic number, because the mean of its divisors is an integer number (4094315185338).

Almost surely, 2^{164351616635056} is an apocalyptic number.

164351616635056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

164351616635056 is a deficient number, since it is larger than the sum of its proper divisors (163193598191984).

164351616635056 is a wasteful number, since it uses less digits than its factorization.

164351616635056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2958182 (or 2958176 counting only the distinct ones).

The product of its (nonzero) digits is 34992000, while the sum is 58.

The spelling of 164351616635056 in words is "one hundred sixty-four trillion, three hundred fifty-one billion, six hundred sixteen million, six hundred thirty-five thousand, fifty-six".