6998164 has 48 divisors (see below), whose sum is σ = 13749120. Its totient is φ = 3104640.

The previous prime is 6998161. The next prime is 6998171. The reversal of 6998164 is 4618996.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a self number, because there is not a number n which added to its sum of digits gives 6998164.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6998161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114694 + ... + 114754.

It is an arithmetic number, because the mean of its divisors is an integer number (286440).

Almost surely, 2^6998164 is an apocalyptic number.

It is an amenable number.

6998164 is a deficient number, since it is larger than the sum of its proper divisors (6750956).

6998164 is a wasteful number, since it uses less digits than its factorization.

6998164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160 (or 158 counting only the distinct ones).

The product of its digits is 93312, while the sum is 43.

The square root of 6998164 is about 2645.4043169240. The cubic root of 6998164 is about 191.2763923308.

The spelling of 6998164 in words is "six million, nine hundred ninety-eight thousand, one hundred sixty-four".