26680164 has 24 divisors (see below), whose sum is σ = 71147328. Its totient is φ = 7622880.

The previous prime is 26680151. The next prime is 26680169. The reversal of 26680164 is 46108662.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (26680169) 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 7 ways as a sum of consecutive naturals, for example, 158727 + ... + 158894.

It is an arithmetic number, because the mean of its divisors is an integer number (2964472).

Almost surely, 2^26680164 is an apocalyptic number.

It is an amenable number.

26680164 is an abundant number, since it is smaller than the sum of its proper divisors (44467164).

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

26680164 is a wasteful number, since it uses less digits than its factorization.

26680164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317635 (or 317633 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 26680164 is about 5165.2845032970. The cubic root of 26680164 is about 298.8107137800.

The spelling of 26680164 in words is "twenty-six million, six hundred eighty thousand, one hundred sixty-four".