164346662656 has 72 divisors (see below), whose sum is σ = 373434090624. Its totient is φ = 71455042560.

The previous prime is 164346662651. The next prime is 164346662693. The reversal of 164346662656 is 656266643461.

It is a junction number, because it is equal to n+sod(n) for n = 164346662597 and 164346662606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164346662651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1203966 + ... + 1333501.

It is an arithmetic number, because the mean of its divisors is an integer number (5186584592).

Almost surely, 2^164346662656 is an apocalyptic number.

164346662656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

164346662656 is an abundant number, since it is smaller than the sum of its proper divisors (209087427968).

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

164346662656 is a wasteful number, since it uses less digits than its factorization.

164346662656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2537517 (or 2537503 counting only the distinct ones).

The product of its digits is 22394880, while the sum is 55.

The spelling of 164346662656 in words is "one hundred sixty-four billion, three hundred forty-six million, six hundred sixty-two thousand, six hundred fifty-six".