18457347881754 has 16 divisors (see below), whose sum is σ = 41016328626240. Its totient is φ = 6152449293900.

The previous prime is 18457347881741. The next prime is 18457347881771. The reversal of 18457347881754 is 45718874375481.

18457347881754 is a `hidden beast` number, since 1 + 8 + 4 + 5 + 7 + 3 + 478 + 81 + 75 + 4 = 666.

It is a super-2 number, since 2×18457347881754² (a number of 27 digits) contains 22 as substring.

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, 170901369222 + ... + 170901369329.

It is an arithmetic number, because the mean of its divisors is an integer number (2563520539140).

Almost surely, 2^{18457347881754} is an apocalyptic number.

18457347881754 is an abundant number, since it is smaller than the sum of its proper divisors (22558980744486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18457347881754 is a wasteful number, since it uses less digits than its factorization.

18457347881754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341802738562 (or 341802738556 counting only the distinct ones).

The product of its digits is 842956800, while the sum is 72.

The spelling of 18457347881754 in words is "eighteen trillion, four hundred fifty-seven billion, three hundred forty-seven million, eight hundred eighty-one thousand, seven hundred fifty-four".