18701966860896 has 192 divisors, whose sum is σ = 57394522999296. Its totient is φ = 5274349977600.

The previous prime is 18701966860877. The next prime is 18701966861027. The reversal of 18701966860896 is 69806866910781.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9506865 + ... + 11304176.

It is an arithmetic number, because the mean of its divisors is an integer number (298929807288).

Almost surely, 2^{18701966860896} is an apocalyptic number.

18701966860896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18701966860896 is an abundant number, since it is smaller than the sum of its proper divisors (38692556138400).

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

18701966860896 is a wasteful number, since it uses less digits than its factorization.

18701966860896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20811125 (or 20811117 counting only the distinct ones).

The product of its (nonzero) digits is 376233984, while the sum is 75.

The spelling of 18701966860896 in words is "eighteen trillion, seven hundred one billion, nine hundred sixty-six million, eight hundred sixty thousand, eight hundred ninety-six".