6161870664 has 64 divisors (see below), whose sum is σ = 17144870400. Its totient is φ = 2050529472.

The previous prime is 6161870623. The next prime is 6161870707. The reversal of 6161870664 is 4660781616.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107614 + ... + 154610.

It is an arithmetic number, because the mean of its divisors is an integer number (267888600).

Almost surely, 2^6161870664 is an apocalyptic number.

It is an amenable number.

6161870664 is an abundant number, since it is smaller than the sum of its proper divisors (10982999736).

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

6161870664 is a wasteful number, since it uses less digits than its factorization.

6161870664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47619 (or 47609 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 6161870664 is about 78497.5838099492. The cubic root of 6161870664 is about 1833.3168333795.

The spelling of 6161870664 in words is "six billion, one hundred sixty-one million, eight hundred seventy thousand, six hundred sixty-four".