8991153006 has 32 divisors (see below), whose sum is σ = 19758211200. Its totient is φ = 2704987680.

The previous prime is 8991152959. The next prime is 8991153007. The reversal of 8991153006 is 6003511998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8991153007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 480861 + ... + 499208.

It is an arithmetic number, because the mean of its divisors is an integer number (617444100).

Almost surely, 2^8991153006 is an apocalyptic number.

8991153006 is an abundant number, since it is smaller than the sum of its proper divisors (10767058194).

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

8991153006 is a wasteful number, since it uses less digits than its factorization.

8991153006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980224.

The product of its (nonzero) digits is 58320, while the sum is 42.

The square root of 8991153006 is about 94821.6905881771. The cubic root of 8991153006 is about 2079.4020259306.

The spelling of 8991153006 in words is "eight billion, nine hundred ninety-one million, one hundred fifty-three thousand, six".