8081211456 has 112 divisors (see below), whose sum is σ = 24576633600. Its totient is φ = 2600833536.

The previous prime is 8081211449. The next prime is 8081211469. The reversal of 8081211456 is 6541121808.

8081211456 is a `hidden beast` number, since 80 + 8 + 121 + 1 + 456 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 8081211456.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30520 + ... + 130743.

Almost surely, 2^8081211456 is an apocalyptic number.

It is an amenable number.

8081211456 is an abundant number, since it is smaller than the sum of its proper divisors (16495422144).

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

8081211456 is a wasteful number, since it uses less digits than its factorization.

8081211456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161313 (or 161297 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 36.

The square root of 8081211456 is about 89895.5585999664. The cubic root of 8081211456 is about 2006.7448492672.

The spelling of 8081211456 in words is "eight billion, eighty-one million, two hundred eleven thousand, four hundred fifty-six".