2991164 has 24 divisors (see below), whose sum is σ = 5760048. Its totient is φ = 1347840.

The previous prime is 2991143. The next prime is 2991187. The reversal of 2991164 is 4611992.

2991164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2991164.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6692 + ... + 7124.

It is an arithmetic number, because the mean of its divisors is an integer number (240002).

2^2991164 is an apocalyptic number.

It is an amenable number.

2991164 is a deficient number, since it is larger than the sum of its proper divisors (2768884).

2991164 is a wasteful number, since it uses less digits than its factorization.

2991164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605 (or 603 counting only the distinct ones).

The product of its digits is 3888, while the sum is 32.

The square root of 2991164 is about 1729.4981931185. The cubic root of 2991164 is about 144.0832209284.

The spelling of 2991164 in words is "two million, nine hundred ninety-one thousand, one hundred sixty-four".