8137224918 has 24 divisors (see below), whose sum is σ = 17652160656. Its totient is φ = 2709099600.

The previous prime is 8137224881. The next prime is 8137224923. The reversal of 8137224918 is 8194227318.

It is a happy number.

8137224918 is a `hidden beast` number, since 8 + 137 + 22 + 491 + 8 = 666.

It is a super-2 number, since 2×8137224918² (a number of 21 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 11 ways as a sum of consecutive naturals, for example, 260538 + ... + 290093.

It is an arithmetic number, because the mean of its divisors is an integer number (735506694).

Almost surely, 2^8137224918 is an apocalyptic number.

8137224918 is an abundant number, since it is smaller than the sum of its proper divisors (9514935738).

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

8137224918 is a wasteful number, since it uses less digits than its factorization.

8137224918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551460 (or 551457 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 8137224918 is about 90206.5680424657. The cubic root of 8137224918 is about 2011.3706415778.

The spelling of 8137224918 in words is "eight billion, one hundred thirty-seven million, two hundred twenty-four thousand, nine hundred eighteen".