216076756516 has 12 divisors (see below), whose sum is σ = 382032616588. Its totient is φ = 106924580352.

The previous prime is 216076756487. The next prime is 216076756523. The reversal of 216076756516 is 615657670612.

It can be written as a sum of positive squares in 2 ways, for example, as 137452596516 + 78624160000 = 370746^2 + 280400^2 .

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, 278449041 + ... + 278449816.

Almost surely, 2^216076756516 is an apocalyptic number.

It is an amenable number.

216076756516 is a deficient number, since it is larger than the sum of its proper divisors (165955860072).

216076756516 is a wasteful number, since it uses less digits than its factorization.

216076756516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556898958 (or 556898956 counting only the distinct ones).

The product of its (nonzero) digits is 3175200, while the sum is 52.

The spelling of 216076756516 in words is "two hundred sixteen billion, seventy-six million, seven hundred fifty-six thousand, five hundred sixteen".