216157514604 has 12 divisors (see below), whose sum is σ = 504367534104. Its totient is φ = 72052504864.

The previous prime is 216157514597. The next prime is 216157514611. The reversal of 216157514604 is 406415751612.

It is an interprime number because it is at equal distance from previous prime (216157514597) and next prime (216157514611).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×216157514604² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9006563097 + ... + 9006563120.

It is an arithmetic number, because the mean of its divisors is an integer number (42030627842).

Almost surely, 2^216157514604 is an apocalyptic number.

It is an amenable number.

216157514604 is an abundant number, since it is smaller than the sum of its proper divisors (288210019500).

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

216157514604 is a wasteful number, since it uses less digits than its factorization.

216157514604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18013126224 (or 18013126222 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The spelling of 216157514604 in words is "two hundred sixteen billion, one hundred fifty-seven million, five hundred fourteen thousand, six hundred four".