8919156672 has 56 divisors (see below), whose sum is σ = 26220674000. Its totient is φ = 2973051648.

The previous prime is 8919156629. The next prime is 8919156703. The reversal of 8919156672 is 2766519198.

8919156672 is a `hidden beast` number, since 8 + 9 + 1 + 9 + 1 + 566 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 2579047 + ... + 2582502.

Almost surely, 2^8919156672 is an apocalyptic number.

It is an amenable number.

8919156672 is an abundant number, since it is smaller than the sum of its proper divisors (17301517328).

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

8919156672 is a wasteful number, since it uses less digits than its factorization.

8919156672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5161570 (or 5161554 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 54.

The square root of 8919156672 is about 94441.2869035572. The cubic root of 8919156672 is about 2073.8368995889.

The spelling of 8919156672 in words is "eight billion, nine hundred nineteen million, one hundred fifty-six thousand, six hundred seventy-two".