18097207868578 has 16 divisors (see below), whose sum is σ = 28580682759840. Its totient is φ = 8570518416000.

The previous prime is 18097207868527. The next prime is 18097207868611. The reversal of 18097207868578 is 87586870279081.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51021103 + ... + 51374578.

It is an arithmetic number, because the mean of its divisors is an integer number (1786292672490).

Almost surely, 2^{18097207868578} is an apocalyptic number.

18097207868578 is a deficient number, since it is larger than the sum of its proper divisors (10483474891262).

18097207868578 is a wasteful number, since it uses less digits than its factorization.

18097207868578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102400353.

The product of its (nonzero) digits is 758661120, while the sum is 76.

The spelling of 18097207868578 in words is "eighteen trillion, ninety-seven billion, two hundred seven million, eight hundred sixty-eight thousand, five hundred seventy-eight".