216706300038904 has 32 divisors (see below), whose sum is σ = 448252712565840. Its totient is φ = 97578821779200.

The previous prime is 216706300038889. The next prime is 216706300038931. The reversal of 216706300038904 is 409830003607612.

It is a congruent number.

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, 25411147242 + ... + 25411155769.

Almost surely, 2^{216706300038904} is an apocalyptic number.

It is an amenable number.

216706300038904 is an abundant number, since it is smaller than the sum of its proper divisors (231546412526936).

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

216706300038904 is a wasteful number, since it uses less digits than its factorization.

216706300038904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50822303071 (or 50822303067 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 49.

The spelling of 216706300038904 in words is "two hundred sixteen trillion, seven hundred six billion, three hundred million, thirty-eight thousand, nine hundred four".