6161565264 has 40 divisors (see below), whose sum is σ = 16000737792. Its totient is φ = 2043098880.

The previous prime is 6161565181. The next prime is 6161565281. The reversal of 6161565264 is 4625651616.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326869 + ... + 345204.

Almost surely, 2^6161565264 is an apocalyptic number.

It is an amenable number.

6161565264 is an abundant number, since it is smaller than the sum of its proper divisors (9839172528).

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

6161565264 is a wasteful number, since it uses less digits than its factorization.

6161565264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672275 (or 672269 counting only the distinct ones).

The product of its digits is 259200, while the sum is 42.

The square root of 6161565264 is about 78495.6385030404. The cubic root of 6161565264 is about 1833.2865447306.

The spelling of 6161565264 in words is "six billion, one hundred sixty-one million, five hundred sixty-five thousand, two hundred sixty-four".