26036404164 has 27 divisors (see below), whose sum is σ = 65816691213. Its totient is φ = 8678478672.

The previous prime is 26036404157. The next prime is 26036404171. The reversal of 26036404164 is 46140463062.

The square root of 26036404164 is 161358.

It is a perfect power (a square), and thus also a powerful number.

26036404164 is a `hidden beast` number, since 2 + 6 + 0 + 3 + 640 + 4 + 1 + 6 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (26036404157) and next prime (26036404171).

It can be written as a sum of positive squares in only one way, i.e., 24796800900 + 1239603264 = 157470^2 + 35208^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 954702 + ... + 981594.

Almost surely, 2^26036404164 is an apocalyptic number.

26036404164 is the 161358-th square number.

It is an amenable number.

26036404164 is an abundant number, since it is smaller than the sum of its proper divisors (39780287049).

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

26036404164 is an frugal number, since it uses more digits than its factorization.

26036404164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53796 (or 26898 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

Multiplying 26036404164 by its sum of digits (36), we get a square (937310549904 = 968148²).

26036404164 divided by its sum of digits (36) gives a square (723233449 = 26893²).

The spelling of 26036404164 in words is "twenty-six billion, thirty-six million, four hundred four thousand, one hundred sixty-four".