368848691521 has 16 divisors (see below), whose sum is σ = 384396522048. Its totient is φ = 353641780800.

The previous prime is 368848691507. The next prime is 368848691579. The reversal of 368848691521 is 125196848863.

It is a cyclic number.

It is not a de Polignac number, because 368848691521 - 2⁵ = 368848691489 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (61).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 368848691521.

It is not an unprimeable number, because it can be changed into a prime (368848691021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1144695 + ... + 1431091.

It is an arithmetic number, because the mean of its divisors is an integer number (24024782628).

Almost surely, 2^368848691521 is an apocalyptic number.

It is an amenable number.

368848691521 is a deficient number, since it is larger than the sum of its proper divisors (15547830527).

368848691521 is a wasteful number, since it uses less digits than its factorization.

368848691521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286992.

The product of its digits is 19906560, while the sum is 61.

The spelling of 368848691521 in words is "three hundred sixty-eight billion, eight hundred forty-eight million, six hundred ninety-one thousand, five hundred twenty-one".