19131377492160 has 84 divisors (see below), whose sum is σ = 65803967175648. Its totient is φ = 5101700663808.

The previous prime is 19131377492159. The next prime is 19131377492173. The reversal of 19131377492160 is 6129477313191.

It is a happy number.

19131377492160 is a `hidden beast` number, since 1 + 9 + 1 + 3 + 137 + 7 + 492 + 16 + 0 = 666.

It is a super-2 number, since 2×19131377492160² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 19131377492097 and 19131377492106.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3321416824 + ... + 3321422583.

Almost surely, 2^{19131377492160} is an apocalyptic number.

19131377492160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19131377492160 is an abundant number, since it is smaller than the sum of its proper divisors (46672589683488).

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

19131377492160 is a wasteful number, since it uses less digits than its factorization.

19131377492160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6642839430 (or 6642839417 counting only the distinct ones).

The product of its (nonzero) digits is 1714608, while the sum is 54.

The spelling of 19131377492160 in words is "nineteen trillion, one hundred thirty-one billion, three hundred seventy-seven million, four hundred ninety-two thousand, one hundred sixty".