1808912136192 has 576 divisors, whose sum is σ = 5797826929440. Its totient is φ = 499812139008.

The previous prime is 1808912136149. The next prime is 1808912136203. The reversal of 1808912136192 is 2916312198081.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1164784888 + ... + 1164786440.

Almost surely, 2^{1808912136192} is an apocalyptic number.

1808912136192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1808912136192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2898913464720).

1808912136192 is an abundant number, since it is smaller than the sum of its proper divisors (3988914793248).

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

1808912136192 is a wasteful number, since it uses less digits than its factorization.

1808912136192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1718 (or 1691 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 51.

The spelling of 1808912136192 in words is "one trillion, eight hundred eight billion, nine hundred twelve million, one hundred thirty-six thousand, one hundred ninety-two".