16335987809136 has 80 divisors (see below), whose sum is σ = 42528330941184. Its totient is φ = 5403167483392.

The previous prime is 16335987809129. The next prime is 16335987809161. The reversal of 16335987809136 is 63190878953361.

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, 14196205 + ... + 15303731.

Almost surely, 2^{16335987809136} is an apocalyptic number.

16335987809136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16335987809136 is an abundant number, since it is smaller than the sum of its proper divisors (26192343132048).

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

16335987809136 is a wasteful number, since it uses less digits than its factorization.

16335987809136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109918 (or 1109912 counting only the distinct ones).

The product of its (nonzero) digits is 176359680, while the sum is 69.

The spelling of 16335987809136 in words is "sixteen trillion, three hundred thirty-five billion, nine hundred eighty-seven million, eight hundred nine thousand, one hundred thirty-six".