8161874087124 has 24 divisors (see below), whose sum is σ = 19113125126368. Its totient is φ = 2710802944800.

The previous prime is 8161874087069. The next prime is 8161874087149. The reversal of 8161874087124 is 4217804781618.

It is a happy number.

It is a super-2 number, since 2×8161874087124² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1227715402 + ... + 1227722049.

Almost surely, 2^{8161874087124} is an apocalyptic number.

It is an amenable number.

8161874087124 is an abundant number, since it is smaller than the sum of its proper divisors (10951251039244).

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

8161874087124 is a wasteful number, since it uses less digits than its factorization.

8161874087124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2455437735 (or 2455437733 counting only the distinct ones).

The product of its (nonzero) digits is 4816896, while the sum is 57.

The spelling of 8161874087124 in words is "eight trillion, one hundred sixty-one billion, eight hundred seventy-four million, eighty-seven thousand, one hundred twenty-four".