6566331156 has 48 divisors (see below), whose sum is σ = 19102056960. Its totient is φ = 1705540320.

The previous prime is 6566331077. The next prime is 6566331193. The reversal of 6566331156 is 6511336656.

It is a super-3 number, since 3×6566331156³ (a number of 30 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 15 ways as a sum of consecutive naturals, for example, 3552286 + ... + 3554133.

It is an arithmetic number, because the mean of its divisors is an integer number (397959520).

Almost surely, 2^6566331156 is an apocalyptic number.

6566331156 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

6566331156 is an abundant number, since it is smaller than the sum of its proper divisors (12535725804).

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

6566331156 is a wasteful number, since it uses less digits than its factorization.

6566331156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7106444 (or 7106442 counting only the distinct ones).

The product of its digits is 291600, while the sum is 42.

The square root of 6566331156 is about 81032.9016881415. The cubic root of 6566331156 is about 1872.5823565755.

The spelling of 6566331156 in words is "six billion, five hundred sixty-six million, three hundred thirty-one thousand, one hundred fifty-six".