8151812344 has 24 divisors (see below), whose sum is σ = 16550834760. Its totient is φ = 3762374304.

The previous prime is 8151812311. The next prime is 8151812387. The reversal of 8151812344 is 4432181518.

It is a congruent number.

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, 3013372 + ... + 3016075.

It is an arithmetic number, because the mean of its divisors is an integer number (689618115).

Almost surely, 2^8151812344 is an apocalyptic number.

It is an amenable number.

8151812344 is an abundant number, since it is smaller than the sum of its proper divisors (8399022416).

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

8151812344 is a wasteful number, since it uses less digits than its factorization.

8151812344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6029479 (or 6029462 counting only the distinct ones).

The product of its digits is 30720, while the sum is 37.

The square root of 8151812344 is about 90287.3875134285. The cubic root of 8151812344 is about 2012.5718375344.

The spelling of 8151812344 in words is "eight billion, one hundred fifty-one million, eight hundred twelve thousand, three hundred forty-four".