6166431656 has 48 divisors (see below), whose sum is σ = 14672456640. Its totient is φ = 2402504160.

The previous prime is 6166431571. The next prime is 6166431697. The reversal of 6166431656 is 6561346616.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 710720 + ... + 719343.

It is an arithmetic number, because the mean of its divisors is an integer number (305676180).

Almost surely, 2^6166431656 is an apocalyptic number.

It is an amenable number.

6166431656 is an abundant number, since it is smaller than the sum of its proper divisors (8506024984).

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

6166431656 is a wasteful number, since it uses less digits than its factorization.

6166431656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430094 (or 1430083 counting only the distinct ones).

The product of its digits is 466560, while the sum is 44.

The square root of 6166431656 is about 78526.6302345898. The cubic root of 6166431656 is about 1833.7690597463.

The spelling of 6166431656 in words is "six billion, one hundred sixty-six million, four hundred thirty-one thousand, six hundred fifty-six".