16512140790 has 40 divisors (see below), whose sum is σ = 44399314080. Its totient is φ = 4403237328.

The previous prime is 16512140767. The next prime is 16512140791. The reversal of 16512140790 is 9704121561.

16512140790 is a `hidden beast` number, since 16 + 512 + 1 + 40 + 7 + 90 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16512140791) by changing a digit.

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 in 19 ways as a sum of consecutive naturals, for example, 10191870 + ... + 10193489.

It is an arithmetic number, because the mean of its divisors is an integer number (1109982852).

Almost surely, 2^16512140790 is an apocalyptic number.

16512140790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16512140790 is an abundant number, since it is smaller than the sum of its proper divisors (27887173290).

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

16512140790 is a wasteful number, since it uses less digits than its factorization.

16512140790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20385378 (or 20385369 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The spelling of 16512140790 in words is "sixteen billion, five hundred twelve million, one hundred forty thousand, seven hundred ninety".