6999164 has 12 divisors (see below), whose sum is σ = 12277104. Its totient is φ = 3491424.

The previous prime is 6999143. The next prime is 6999169. The reversal of 6999164 is 4619996.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6999169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152 + ... + 3744.

It is an arithmetic number, because the mean of its divisors is an integer number (1023092).

Almost surely, 2^6999164 is an apocalyptic number.

It is an amenable number.

6999164 is a deficient number, since it is larger than the sum of its proper divisors (5277940).

6999164 is a wasteful number, since it uses less digits than its factorization.

6999164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4084 (or 4082 counting only the distinct ones).

The product of its digits is 104976, while the sum is 44.

The square root of 6999164 is about 2645.5933171975. The cubic root of 6999164 is about 191.2855026861.

The spelling of 6999164 in words is "six million, nine hundred ninety-nine thousand, one hundred sixty-four".