16572720076 has 12 divisors (see below), whose sum is σ = 31638829320. Its totient is φ = 7533054560.

The previous prime is 16572720071. The next prime is 16572720089. The reversal of 16572720076 is 67002727561.

It is not an unprimeable number, because it can be changed into a prime (16572720071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188326321 + ... + 188326408.

It is an arithmetic number, because the mean of its divisors is an integer number (2636569110).

Almost surely, 2^16572720076 is an apocalyptic number.

It is an amenable number.

16572720076 is a deficient number, since it is larger than the sum of its proper divisors (15066109244).

16572720076 is a wasteful number, since it uses less digits than its factorization.

16572720076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376652744 (or 376652742 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 43.

The spelling of 16572720076 in words is "sixteen billion, five hundred seventy-two million, seven hundred twenty thousand, seventy-six".