16225652512 has 12 divisors (see below), whose sum is σ = 31944253446. Its totient is φ = 8112826240.

The previous prime is 16225652479. The next prime is 16225652537. The reversal of 16225652512 is 21525652261.

It can be written as a sum of positive squares in only one way, i.e., 15494274576 + 731377936 = 124476^2 + 27044^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 253525789 + ... + 253525852.

Almost surely, 2^16225652512 is an apocalyptic number.

It is an amenable number.

16225652512 is a deficient number, since it is larger than the sum of its proper divisors (15718600934).

16225652512 is an equidigital number, since it uses as much as digits as its factorization.

16225652512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507051651 (or 507051643 counting only the distinct ones).

The product of its digits is 72000, while the sum is 37.

The spelling of 16225652512 in words is "sixteen billion, two hundred twenty-five million, six hundred fifty-two thousand, five hundred twelve".