368937491561 has 8 divisors (see below), whose sum is σ = 380243994240. Its totient is φ = 357775021008.

The previous prime is 368937491449. The next prime is 368937491581. The reversal of 368937491561 is 165194739863.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-368937491561 is a prime.

It is a super-2 number, since 2×368937491561² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 368937491494 and 368937491503.

It is not an unprimeable number, because it can be changed into a prime (368937491581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36002831 + ... + 36013076.

It is an arithmetic number, because the mean of its divisors is an integer number (47530499280).

Almost surely, 2^368937491561 is an apocalyptic number.

It is an amenable number.

368937491561 is a deficient number, since it is larger than the sum of its proper divisors (11306502679).

368937491561 is a wasteful number, since it uses less digits than its factorization.

368937491561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72016063.

The product of its digits is 29393280, while the sum is 62.

The spelling of 368937491561 in words is "three hundred sixty-eight billion, nine hundred thirty-seven million, four hundred ninety-one thousand, five hundred sixty-one".