18157426746696 has 48 divisors (see below), whose sum is σ = 49176567258000. Its totient is φ = 6052450578912.

The previous prime is 18157426746689. The next prime is 18157426746721. The reversal of 18157426746696 is 69664762475181.

18157426746696 is a `hidden beast` number, since 1 + 8 + 1 + 5 + 74 + 2 + 6 + 7 + 466 + 96 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

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 11 ways as a sum of consecutive naturals, for example, 27210855 + ... + 27870153.

It is an arithmetic number, because the mean of its divisors is an integer number (1024511817875).

Almost surely, 2^{18157426746696} is an apocalyptic number.

It is an amenable number.

18157426746696 is an abundant number, since it is smaller than the sum of its proper divisors (31019140511304).

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

18157426746696 is a wasteful number, since it uses less digits than its factorization.

18157426746696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041818 (or 1041811 counting only the distinct ones).

The product of its digits is 731566080, while the sum is 72.

The spelling of 18157426746696 in words is "eighteen trillion, one hundred fifty-seven billion, four hundred twenty-six million, seven hundred forty-six thousand, six hundred ninety-six".