1667164 has 12 divisors (see below), whose sum is σ = 2936584. Its totient is φ = 828144.

The previous prime is 1667147. The next prime is 1667179. The reversal of 1667164 is 4617661.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 627 + ... + 1930.

2^1667164 is an apocalyptic number.

It is an amenable number.

1667164 is a deficient number, since it is larger than the sum of its proper divisors (1269420).

1667164 is a wasteful number, since it uses less digits than its factorization.

1667164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2724 (or 2722 counting only the distinct ones).

The product of its digits is 6048, while the sum is 31.

The square root of 1667164 is about 1291.1870507405. The cubic root of 1667164 is about 118.5749020542.

The spelling of 1667164 in words is "one million, six hundred sixty-seven thousand, one hundred sixty-four".