26692164 has 54 divisors (see below), whose sum is σ = 69249726. Its totient is φ = 8668800.

The previous prime is 26692163. The next prime is 26692177. The reversal of 26692164 is 46129662.

It can be written as a sum of positive squares in only one way, i.e., 26625600 + 66564 = 5160^2 + 258^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (26692163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 66364 + ... + 66764.

Almost surely, 2^26692164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26692164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34624863).

26692164 is an abundant number, since it is smaller than the sum of its proper divisors (42557562).

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

26692164 is a wasteful number, since it uses less digits than its factorization.

26692164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497 (or 449 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 26692164 is about 5166.4459737812. The cubic root of 26692164 is about 298.8555059973.

The spelling of 26692164 in words is "twenty-six million, six hundred ninety-two thousand, one hundred sixty-four".