863618816368 has 40 divisors (see below), whose sum is σ = 2086144156800. Its totient is φ = 336474863040.

The previous prime is 863618816341. The next prime is 863618816377.

863618816368 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×863618816368² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (64) coincides with the sum of the digits of its distinct prime factors.

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, 350493418 + ... + 350495881.

It is an arithmetic number, because the mean of its divisors is an integer number (52153603920).

Almost surely, 2^863618816368 is an apocalyptic number.

863618816368 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

863618816368 is an abundant number, since it is smaller than the sum of its proper divisors (1222525340432).

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

863618816368 is a wasteful number, since it uses less digits than its factorization.

863618816368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700989325 (or 700989319 counting only the distinct ones).

The product of its digits is 47775744, while the sum is 64.

The spelling of 863618816368 in words is "eight hundred sixty-three billion, six hundred eighteen million, eight hundred sixteen thousand, three hundred sixty-eight".