361486658561 has 16 divisors (see below), whose sum is σ = 417806046720. Its totient is φ = 306337489920.

The previous prime is 361486658557. The next prime is 361486658563. The reversal of 361486658561 is 165856684163.

It is not a de Polignac number, because 361486658561 - 2² = 361486658557 is a prime.

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 361486658561.

It is not an unprimeable number, because it can be changed into a prime (361486658563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10809176 + ... + 10842566.

It is an arithmetic number, because the mean of its divisors is an integer number (26112877920).

Almost surely, 2^361486658561 is an apocalyptic number.

It is an amenable number.

361486658561 is a deficient number, since it is larger than the sum of its proper divisors (56319388159).

361486658561 is a wasteful number, since it uses less digits than its factorization.

361486658561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50864.

The product of its digits is 24883200, while the sum is 59.

The spelling of 361486658561 in words is "three hundred sixty-one billion, four hundred eighty-six million, six hundred fifty-eight thousand, five hundred sixty-one".