6161315216 has 20 divisors (see below), whose sum is σ = 13642912512. Its totient is φ = 2640563616.

The previous prime is 6161315197. The next prime is 6161315239. The reversal of 6161315216 is 6125131616.

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, 27505760 + ... + 27505983.

Almost surely, 2^6161315216 is an apocalyptic number.

It is an amenable number.

6161315216 is an abundant number, since it is smaller than the sum of its proper divisors (7481597296).

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

6161315216 is a wasteful number, since it uses less digits than its factorization.

6161315216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55011758 (or 55011752 counting only the distinct ones).

The product of its digits is 6480, while the sum is 32.

The square root of 6161315216 is about 78494.0457359665. The cubic root of 6161315216 is about 1833.2617449806.

The spelling of 6161315216 in words is "six billion, one hundred sixty-one million, three hundred fifteen thousand, two hundred sixteen".