16138047565720 has 64 divisors (see below), whose sum is σ = 36449282664000. Its totient is φ = 6430570449408.

The previous prime is 16138047565649. The next prime is 16138047565753. The reversal of 16138047565720 is 2756574083161.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114125221 + ... + 114266539.

It is an arithmetic number, because the mean of its divisors is an integer number (569520041625).

Almost surely, 2^{16138047565720} is an apocalyptic number.

16138047565720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16138047565720 is an abundant number, since it is smaller than the sum of its proper divisors (20311235098280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16138047565720 is a wasteful number, since it uses less digits than its factorization.

16138047565720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152212 (or 152208 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 55.

The spelling of 16138047565720 in words is "sixteen trillion, one hundred thirty-eight billion, forty-seven million, five hundred sixty-five thousand, seven hundred twenty".