26668164 has 24 divisors (see below), whose sum is σ = 62340768. Its totient is φ = 8872960.

The previous prime is 26668133. The next prime is 26668171. The reversal of 26668164 is 46186662.

It is a super-2 number, since 2×26668164² = 1422381942261792, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5959 + ... + 9425.

It is an arithmetic number, because the mean of its divisors is an integer number (2597532).

Almost surely, 2^26668164 is an apocalyptic number.

It is an amenable number.

26668164 is an abundant number, since it is smaller than the sum of its proper divisors (35672604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26668164 is a wasteful number, since it uses less digits than its factorization.

26668164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4115 (or 4113 counting only the distinct ones).

The product of its digits is 82944, while the sum is 39.

The square root of 26668164 is about 5164.1227715847. The cubic root of 26668164 is about 298.7659081297.

The spelling of 26668164 in words is "twenty-six million, six hundred sixty-eight thousand, one hundred sixty-four".