860431134066 has 32 divisors (see below), whose sum is σ = 1969297825920. Its totient is φ = 245512705536.

The previous prime is 860431134053. The next prime is 860431134109. The reversal of 860431134066 is 660431134068.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13499551 + ... + 13563138.

It is an arithmetic number, because the mean of its divisors is an integer number (61540557060).

Almost surely, 2^860431134066 is an apocalyptic number.

860431134066 is an abundant number, since it is smaller than the sum of its proper divisors (1108866691854).

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

860431134066 is a wasteful number, since it uses less digits than its factorization.

860431134066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27063458.

The product of its (nonzero) digits is 248832, while the sum is 42.

The spelling of 860431134066 in words is "eight hundred sixty billion, four hundred thirty-one million, one hundred thirty-four thousand, sixty-six".