18706018026774 has 16 divisors (see below), whose sum is σ = 40289884980912. Its totient is φ = 5755697854368.

The previous prime is 18706018026691. The next prime is 18706018026791. The reversal of 18706018026774 is 47762081060781.

It is a super-2 number, since 2×18706018026774² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119910371889 + ... + 119910372044.

It is an arithmetic number, because the mean of its divisors is an integer number (2518117811307).

Almost surely, 2^{18706018026774} is an apocalyptic number.

18706018026774 is an abundant number, since it is smaller than the sum of its proper divisors (21583866954138).

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

18706018026774 is a wasteful number, since it uses less digits than its factorization.

18706018026774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239820743951.

The product of its (nonzero) digits is 6322176, while the sum is 57.

The spelling of 18706018026774 in words is "eighteen trillion, seven hundred six billion, eighteen million, twenty-six thousand, seven hundred seventy-four".