806566632118108 has 12 divisors (see below), whose sum is σ = 1411493088765760. Its totient is φ = 403282892470752.

The previous prime is 806566632117991. The next prime is 806566632118123. The reversal of 806566632118108 is 801811236665608.

It is a super-2 number, since 2×806566632118108² (a number of 31 digits) contains 22 as substring.

It is a congruent number.

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, 101593353 + ... + 109244416.

Almost surely, 2^{806566632118108} is an apocalyptic number.

It is an amenable number.

806566632118108 is a deficient number, since it is larger than the sum of its proper divisors (604926456647652).

806566632118108 is a wasteful number, since it uses less digits than its factorization.

806566632118108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211794156 (or 211794154 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 61.

The spelling of 806566632118108 in words is "eight hundred six trillion, five hundred sixty-six billion, six hundred thirty-two million, one hundred eighteen thousand, one hundred eight".