18860354400147 has 64 divisors (see below), whose sum is σ = 28843134566400. Its totient is φ = 10880551618560.

The previous prime is 18860354400119. The next prime is 18860354400163. The reversal of 18860354400147 is 74100445306881.

It is not a de Polignac number, because 18860354400147 - 2¹⁶ = 18860354334611 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18860354400147.

It is not an unprimeable number, because it can be changed into a prime (18860354400947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3199179 + ... + 6924987.

It is an arithmetic number, because the mean of its divisors is an integer number (450673977600).

Almost surely, 2^{18860354400147} is an apocalyptic number.

18860354400147 is a deficient number, since it is larger than the sum of its proper divisors (9982780166253).

18860354400147 is a wasteful number, since it uses less digits than its factorization.

18860354400147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3725988.

The product of its (nonzero) digits is 2580480, while the sum is 51.

The spelling of 18860354400147 in words is "eighteen trillion, eight hundred sixty billion, three hundred fifty-four million, four hundred thousand, one hundred forty-seven".