868418813658 has 32 divisors (see below), whose sum is σ = 1955852347392. Its totient is φ = 254668273200.

The previous prime is 868418813641. The next prime is 868418813671. The reversal of 868418813658 is 856318814868.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212221516 + ... + 212225607.

It is an arithmetic number, because the mean of its divisors is an integer number (61120385856).

Almost surely, 2^868418813658 is an apocalyptic number.

868418813658 is an abundant number, since it is smaller than the sum of its proper divisors (1087433533734).

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

868418813658 is a wasteful number, since it uses less digits than its factorization.

868418813658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424447170.

The product of its digits is 70778880, while the sum is 66.

The spelling of 868418813658 in words is "eight hundred sixty-eight billion, four hundred eighteen million, eight hundred thirteen thousand, six hundred fifty-eight".