164312100521536 has 56 divisors (see below), whose sum is σ = 355738017443040. Its totient is φ = 74678990131200.

The previous prime is 164312100521473. The next prime is 164312100521551. The reversal of 164312100521536 is 635125001213461.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6692881 + ... + 19324048.

Almost surely, 2^{164312100521536} is an apocalyptic number.

164312100521536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

164312100521536 is an abundant number, since it is smaller than the sum of its proper divisors (191425916921504).

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

164312100521536 is a wasteful number, since it uses less digits than its factorization.

164312100521536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26025923 (or 26025913 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 40.

Adding to 164312100521536 its reverse (635125001213461), we get a palindrome (799437101734997).

The spelling of 164312100521536 in words is "one hundred sixty-four trillion, three hundred twelve billion, one hundred million, five hundred twenty-one thousand, five hundred thirty-six".