18754648842108 has 24 divisors (see below), whose sum is σ = 43760935251712. Its totient is φ = 6251537049264.

The previous prime is 18754648842089. The next prime is 18754648842113. The reversal of 18754648842108 is 80124884645781.

It is a super-2 number, since 2×18754648842108² (a number of 27 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6177741 + ... + 8699067.

Almost surely, 2^{18754648842108} is an apocalyptic number.

It is an amenable number.

18754648842108 is an abundant number, since it is smaller than the sum of its proper divisors (25006286409604).

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

18754648842108 is a wasteful number, since it uses less digits than its factorization.

18754648842108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3141201 (or 3141199 counting only the distinct ones).

The product of its (nonzero) digits is 110100480, while the sum is 66.

The spelling of 18754648842108 in words is "eighteen trillion, seven hundred fifty-four billion, six hundred forty-eight million, eight hundred forty-two thousand, one hundred eight".