215216100516 has 24 divisors (see below), whose sum is σ = 505369446400. Its totient is φ = 71281765152.

The previous prime is 215216100511. The next prime is 215216100529. The reversal of 215216100516 is 615001612512.

It is not an unprimeable number, because it can be changed into a prime (215216100511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57114916 + ... + 57118683.

Almost surely, 2^215216100516 is an apocalyptic number.

It is an amenable number.

215216100516 is an abundant number, since it is smaller than the sum of its proper divisors (290153345884).

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

215216100516 is a wasteful number, since it uses less digits than its factorization.

215216100516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114233763 (or 114233761 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 30.

The spelling of 215216100516 in words is "two hundred fifteen billion, two hundred sixteen million, one hundred thousand, five hundred sixteen".