164357321632572 has 48 divisors (see below), whose sum is σ = 400601429367552. Its totient is φ = 52347856429440.

The previous prime is 164357321632403. The next prime is 164357321632579. The reversal of 164357321632572 is 275236123753461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164357321632579) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 317509554 + ... + 318026777.

It is an arithmetic number, because the mean of its divisors is an integer number (8345863111824).

Almost surely, 2^{164357321632572} is an apocalyptic number.

164357321632572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

164357321632572 is an abundant number, since it is smaller than the sum of its proper divisors (236244107734980).

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

164357321632572 is a wasteful number, since it uses less digits than its factorization.

164357321632572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635537298 (or 635537296 counting only the distinct ones).

The product of its digits is 38102400, while the sum is 57.

The spelling of 164357321632572 in words is "one hundred sixty-four trillion, three hundred fifty-seven billion, three hundred twenty-one million, six hundred thirty-two thousand, five hundred seventy-two".