866182083567131 has 8 divisors (see below), whose sum is σ = 875274064384944. Its totient is φ = 857093414353920.

The previous prime is 866182083567107. The next prime is 866182083567137. The reversal of 866182083567131 is 131765380281668.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-866182083567131 is a prime.

It is a super-2 number, since 2×866182083567131² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (866182083567137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 827375285 + ... + 828421526.

It is an arithmetic number, because the mean of its divisors is an integer number (109409258048118).

Almost surely, 2^{866182083567131} is an apocalyptic number.

866182083567131 is a deficient number, since it is larger than the sum of its proper divisors (9091980817813).

866182083567131 is a wasteful number, since it uses less digits than its factorization.

866182083567131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1655802301.

The product of its (nonzero) digits is 69672960, while the sum is 65.

The spelling of 866182083567131 in words is "eight hundred sixty-six trillion, one hundred eighty-two billion, eighty-three million, five hundred sixty-seven thousand, one hundred thirty-one".