164272313856 has 80 divisors (see below), whose sum is σ = 500150559744. Its totient is φ = 46934943744.

The previous prime is 164272313833. The next prime is 164272313857. The reversal of 164272313856 is 658313272461.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164272313857) 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, 7628400 + ... + 7649903.

Almost surely, 2^164272313856 is an apocalyptic number.

164272313856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

164272313856 is an abundant number, since it is smaller than the sum of its proper divisors (335878245888).

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

164272313856 is an equidigital number, since it uses as much as digits as its factorization.

164272313856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15278331 (or 15278315 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 48.

The spelling of 164272313856 in words is "one hundred sixty-four billion, two hundred seventy-two million, three hundred thirteen thousand, eight hundred fifty-six".