18774693196896 has 192 divisors, whose sum is σ = 62613369778176. Its totient is φ = 4791839385600.

The previous prime is 18774693196891. The next prime is 18774693196943. The reversal of 18774693196896 is 69869139647781.

It is a Harshad number since it is a multiple of its sum of digits (84).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18774693196891) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 34392375 + ... + 34934006.

It is an arithmetic number, because the mean of its divisors is an integer number (326111300928).

Almost surely, 2^{18774693196896} is an apocalyptic number.

18774693196896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18774693196896 is an abundant number, since it is smaller than the sum of its proper divisors (43838676581280).

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

18774693196896 is a wasteful number, since it uses less digits than its factorization.

18774693196896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69326445 (or 69326437 counting only the distinct ones).

The product of its digits is 5925685248, while the sum is 84.

The spelling of 18774693196896 in words is "eighteen trillion, seven hundred seventy-four billion, six hundred ninety-three million, one hundred ninety-six thousand, eight hundred ninety-six".