615656064016 has 20 divisors (see below), whose sum is σ = 1363238427712. Its totient is φ = 263852598816.

The previous prime is 615656063989. The next prime is 615656064019. The reversal of 615656064016 is 610460656516.

It is not an unprimeable number, because it can be changed into a prime (615656064019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2748464460 + ... + 2748464683.

Almost surely, 2^615656064016 is an apocalyptic number.

It is an amenable number.

615656064016 is an abundant number, since it is smaller than the sum of its proper divisors (747582363696).

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

615656064016 is a wasteful number, since it uses less digits than its factorization.

615656064016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5496929158 (or 5496929152 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 46.

The spelling of 615656064016 in words is "six hundred fifteen billion, six hundred fifty-six million, sixty-four thousand, sixteen".