368686698624 has 128 divisors (see below), whose sum is σ = 1092068956800. Its totient is φ = 122451581952.

The previous prime is 368686698619. The next prime is 368686698643. The reversal of 368686698624 is 426896686863.

368686698624 is a `hidden beast` number, since 368 + 68 + 66 + 98 + 62 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 764749 + ... + 1149875.

It is an arithmetic number, because the mean of its divisors is an integer number (8531788725).

Almost surely, 2^368686698624 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 368686698624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (546034478400).

368686698624 is an abundant number, since it is smaller than the sum of its proper divisors (723382258176).

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

368686698624 is a wasteful number, since it uses less digits than its factorization.

368686698624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385427 (or 385409 counting only the distinct ones).

The product of its digits is 859963392, while the sum is 72.

The spelling of 368686698624 in words is "three hundred sixty-eight billion, six hundred eighty-six million, six hundred ninety-eight thousand, six hundred twenty-four".