112166591436 has 18 divisors (see below), whose sum is σ = 283532217332. Its totient is φ = 37388863800.

The previous prime is 112166591357. The next prime is 112166591473. The reversal of 112166591436 is 634195661211.

112166591436 is a `hidden beast` number, since 1 + 1 + 2 + 16 + 6 + 591 + 43 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 112166591391 and 112166591400.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1557869290 + ... + 1557869361.

Almost surely, 2^112166591436 is an apocalyptic number.

It is an amenable number.

112166591436 is an abundant number, since it is smaller than the sum of its proper divisors (171365625896).

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

112166591436 is a wasteful number, since it uses less digits than its factorization.

112166591436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3115738661 (or 3115738656 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The spelling of 112166591436 in words is "one hundred twelve billion, one hundred sixty-six million, five hundred ninety-one thousand, four hundred thirty-six".