8991165274 has 64 divisors (see below), whose sum is σ = 17164369152. Its totient is φ = 3437452800.

The previous prime is 8991165269. The next prime is 8991165277. The reversal of 8991165274 is 4725611998.

It is not an unprimeable number, because it can be changed into a prime (8991165277) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 792804 + ... + 804064.

It is an arithmetic number, because the mean of its divisors is an integer number (268193268).

Almost surely, 2^8991165274 is an apocalyptic number.

8991165274 is a deficient number, since it is larger than the sum of its proper divisors (8173203878).

8991165274 is a wasteful number, since it uses less digits than its factorization.

8991165274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11431.

The product of its digits is 1088640, while the sum is 52.

The square root of 8991165274 is about 94821.7552779951. The cubic root of 8991165274 is about 2079.4029716785.

The spelling of 8991165274 in words is "eight billion, nine hundred ninety-one million, one hundred sixty-five thousand, two hundred seventy-four".