2078164 has 24 divisors (see below), whose sum is σ = 4027968. Its totient is φ = 930240.

The previous prime is 2078161. The next prime is 2078177. The reversal of 2078164 is 4618702.

It is a super-2 number, since 2×2078164² = 8637531221792, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2078161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2889 + ... + 3535.

It is an arithmetic number, because the mean of its divisors is an integer number (167832).

2^2078164 is an apocalyptic number.

It is an amenable number.

2078164 is a deficient number, since it is larger than the sum of its proper divisors (1949804).

2078164 is a wasteful number, since it uses less digits than its factorization.

2078164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735 (or 733 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 2078164 is about 1441.5838511859. The cubic root of 2078164 is about 127.6125163379.

The spelling of 2078164 in words is "two million, seventy-eight thousand, one hundred sixty-four".