16355880218604 has 24 divisors (see below), whose sum is σ = 38167678440640. Its totient is φ = 5451394654224.

The previous prime is 16355880218597. The next prime is 16355880218617. The reversal of 16355880218604 is 40681208855361.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70556794 + ... + 70788225.

Almost surely, 2^{16355880218604} is an apocalyptic number.

It is an amenable number.

16355880218604 is an abundant number, since it is smaller than the sum of its proper divisors (21811798222036).

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

16355880218604 is a wasteful number, since it uses less digits than its factorization.

16355880218604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141354669 (or 141354667 counting only the distinct ones).

The product of its (nonzero) digits is 11059200, while the sum is 57.

The spelling of 16355880218604 in words is "sixteen trillion, three hundred fifty-five billion, eight hundred eighty million, two hundred eighteen thousand, six hundred four".