868602191600 has 120 divisors (see below), whose sum is σ = 2451645032592. Its totient is φ = 291558758400.

The previous prime is 868602191591. The next prime is 868602191603. The reversal of 868602191600 is 6191206868.

It is a super-2 number, since 2×868602191600² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868602191603) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7535477 + ... + 7649876.

Almost surely, 2^868602191600 is an apocalyptic number.

868602191600 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

868602191600 is an abundant number, since it is smaller than the sum of its proper divisors (1583042840992).

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

868602191600 is a wasteful number, since it uses less digits than its factorization.

868602191600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15185395 (or 15185384 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 47.

The spelling of 868602191600 in words is "eight hundred sixty-eight billion, six hundred two million, one hundred ninety-one thousand, six hundred".