16633261252 has 24 divisors (see below), whose sum is σ = 29169929600. Its totient is φ = 8299017216.

The previous prime is 16633261231. The next prime is 16633261283. The reversal of 16633261252 is 25216233661.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6184324 + ... + 6187012.

Almost surely, 2^16633261252 is an apocalyptic number.

It is an amenable number.

16633261252 is a deficient number, since it is larger than the sum of its proper divisors (12536668348).

16633261252 is a wasteful number, since it uses less digits than its factorization.

16633261252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5395 (or 5393 counting only the distinct ones).

The product of its digits is 77760, while the sum is 37.

It can be divided in two parts, 16633 and 261252, that added together give a triangular number (277885 = T₇₄₅).

The spelling of 16633261252 in words is "sixteen billion, six hundred thirty-three million, two hundred sixty-one thousand, two hundred fifty-two".