16522373601252 has 18 divisors (see below), whose sum is σ = 41764888825478. Its totient is φ = 5507457867072.

The previous prime is 16522373601233. The next prime is 16522373601271. The reversal of 16522373601252 is 25210637322561.

16522373601252 is a `hidden beast` number, since 1 + 6 + 5 + 2 + 2 + 37 + 3 + 601 + 2 + 5 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (16522373601233) and next prime (16522373601271).

It can be written as a sum of positive squares in only one way, i.e., 16301373950016 + 220999651236 = 4037496^2 + 470106^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-3 number, since 3×16522373601252³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16522373601198 and 16522373601207.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 229477411093 + ... + 229477411164.

Almost surely, 2^{16522373601252} is an apocalyptic number.

16522373601252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16522373601252 is an abundant number, since it is smaller than the sum of its proper divisors (25242515224226).

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

16522373601252 is a wasteful number, since it uses less digits than its factorization.

16522373601252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458954822267 (or 458954822262 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The spelling of 16522373601252 in words is "sixteen trillion, five hundred twenty-two billion, three hundred seventy-three million, six hundred one thousand, two hundred fifty-two".