16338788072 has 8 divisors (see below), whose sum is σ = 30635227650. Its totient is φ = 8169394032.

The previous prime is 16338788057. The next prime is 16338788087. The reversal of 16338788072 is 27088783361.

It is an interprime number because it is at equal distance from previous prime (16338788057) and next prime (16338788087).

It can be written as a sum of positive squares in only one way, i.e., 10931538916 + 5407249156 = 104554^2 + 73534^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021174247 + ... + 1021174262.

Almost surely, 2^16338788072 is an apocalyptic number.

It is an amenable number.

16338788072 is a deficient number, since it is larger than the sum of its proper divisors (14296439578).

16338788072 is a wasteful number, since it uses less digits than its factorization.

16338788072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2042348515 (or 2042348511 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 53.

The spelling of 16338788072 in words is "sixteen billion, three hundred thirty-eight million, seven hundred eighty-eight thousand, seventy-two".