16387632689320 has 64 divisors (see below), whose sum is σ = 36893737883520. Its totient is φ = 6551220466944.

The previous prime is 16387632689273. The next prime is 16387632689371. The reversal of 16387632689320 is 2398623678361.

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, 703531594 + ... + 703554886.

It is an arithmetic number, because the mean of its divisors is an integer number (576464654430).

Almost surely, 2^{16387632689320} is an apocalyptic number.

16387632689320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16387632689320 is an abundant number, since it is smaller than the sum of its proper divisors (20506105194200).

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

16387632689320 is a wasteful number, since it uses less digits than its factorization.

16387632689320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32834 (or 32830 counting only the distinct ones).

The product of its (nonzero) digits is 94058496, while the sum is 64.

The spelling of 16387632689320 in words is "sixteen trillion, three hundred eighty-seven billion, six hundred thirty-two million, six hundred eighty-nine thousand, three hundred twenty".