16725065522 has 48 divisors (see below), whose sum is σ = 28557844056. Its totient is φ = 7336243200.

The previous prime is 16725065521. The next prime is 16725065543. The reversal of 16725065522 is 22556052761.

It can be written as a sum of positive squares in 4 ways, for example, as 7416482161 + 9308583361 = 86119^2 + 96481^2 .

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 16725065522.

It is not an unprimeable number, because it can be changed into a prime (16725065521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 771698 + ... + 793074.

Almost surely, 2^16725065522 is an apocalyptic number.

16725065522 is a deficient number, since it is larger than the sum of its proper divisors (11832778534).

16725065522 is a wasteful number, since it uses less digits than its factorization.

16725065522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21515 (or 21504 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 41.

The spelling of 16725065522 in words is "sixteen billion, seven hundred twenty-five million, sixty-five thousand, five hundred twenty-two".