16231661661300 has 36 divisors (see below), whose sum is σ = 46963607740896. Its totient is φ = 4328443109600.

The previous prime is 16231661661289. The next prime is 16231661661331. The reversal of 16231661661300 is 316616613261.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27052769136 + ... + 27052769735.

Almost surely, 2^{16231661661300} is an apocalyptic number.

16231661661300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16231661661300 is an abundant number, since it is smaller than the sum of its proper divisors (30731946079596).

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

16231661661300 is a wasteful number, since it uses less digits than its factorization.

16231661661300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54105538888 (or 54105538881 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 42.

The spelling of 16231661661300 in words is "sixteen trillion, two hundred thirty-one billion, six hundred sixty-one million, six hundred sixty-one thousand, three hundred".