16252406972 has 6 divisors (see below), whose sum is σ = 28441712208. Its totient is φ = 8126203484.

The previous prime is 16252406969. The next prime is 16252406987. The reversal of 16252406972 is 27960425261.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2031550868 + ... + 2031550875.

It is an arithmetic number, because the mean of its divisors is an integer number (4740285368).

Almost surely, 2^16252406972 is an apocalyptic number.

It is an amenable number.

16252406972 is a deficient number, since it is larger than the sum of its proper divisors (12189305236).

16252406972 is a wasteful number, since it uses less digits than its factorization.

16252406972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4063101747 (or 4063101745 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 16252406972 in words is "sixteen billion, two hundred fifty-two million, four hundred six thousand, nine hundred seventy-two".