16572226552 has 64 divisors (see below), whose sum is σ = 38897496000. Its totient is φ = 6454081536.

The previous prime is 16572226537. The next prime is 16572226579. The reversal of 16572226552 is 25562227561.

It is a junction number, because it is equal to n+sod(n) for n = 16572226499 and 16572226508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 272527 + ... + 327742.

It is an arithmetic number, because the mean of its divisors is an integer number (607773375).

Almost surely, 2^16572226552 is an apocalyptic number.

It is an amenable number.

16572226552 is an abundant number, since it is smaller than the sum of its proper divisors (22325269448).

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

16572226552 is a wasteful number, since it uses less digits than its factorization.

16572226552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600328 (or 600324 counting only the distinct ones).

The product of its digits is 504000, while the sum is 43.

The spelling of 16572226552 in words is "sixteen billion, five hundred seventy-two million, two hundred twenty-six thousand, five hundred fifty-two".