866470382140142 has 16 divisors (see below), whose sum is σ = 1403281081631520. Its totient is φ = 398881362388512.

The previous prime is 866470382140127. The next prime is 866470382140157. The reversal of 866470382140142 is 241041283074668.

It is an interprime number because it is at equal distance from previous prime (866470382140127) and next prime (866470382140157).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42835187738 + ... + 42835207965.

It is an arithmetic number, because the mean of its divisors is an integer number (87705067601970).

Almost surely, 2^{866470382140142} is an apocalyptic number.

866470382140142 is a deficient number, since it is larger than the sum of its proper divisors (536810699491378).

866470382140142 is a wasteful number, since it uses less digits than its factorization.

866470382140142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85670396107.

The product of its (nonzero) digits is 12386304, while the sum is 56.

The spelling of 866470382140142 in words is "eight hundred sixty-six trillion, four hundred seventy billion, three hundred eighty-two million, one hundred forty thousand, one hundred forty-two".