215161708333116 has 48 divisors (see below), whose sum is σ = 505374348407040. Its totient is φ = 71244813868800.

The previous prime is 215161708333037. The next prime is 215161708333241. The reversal of 215161708333116 is 611333807161512.

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, 177204715 + ... + 178414781.

It is an arithmetic number, because the mean of its divisors is an integer number (10528632258480).

Almost surely, 2^{215161708333116} is an apocalyptic number.

It is an amenable number.

215161708333116 is an abundant number, since it is smaller than the sum of its proper divisors (290212640073924).

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

215161708333116 is a wasteful number, since it uses less digits than its factorization.

215161708333116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308354 (or 1308352 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 48.

The spelling of 215161708333116 in words is "two hundred fifteen trillion, one hundred sixty-one billion, seven hundred eight million, three hundred thirty-three thousand, one hundred sixteen".