8081913552 has 40 divisors (see below), whose sum is σ = 21442559136. Its totient is φ = 2621160576.

The previous prime is 8081913533. The next prime is 8081913601. The reversal of 8081913552 is 2553191808.

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, 2273538 + ... + 2277089.

Almost surely, 2^8081913552 is an apocalyptic number.

It is an amenable number.

8081913552 is an abundant number, since it is smaller than the sum of its proper divisors (13360645584).

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

8081913552 is a wasteful number, since it uses less digits than its factorization.

8081913552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4550675 (or 4550669 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 42.

The square root of 8081913552 is about 89899.4635801571. The cubic root of 8081913552 is about 2006.8029629440.

The spelling of 8081913552 in words is "eight billion, eighty-one million, nine hundred thirteen thousand, five hundred fifty-two".