26390164 has 12 divisors (see below), whose sum is σ = 48613600. Its totient is φ = 12500568.

The previous prime is 26390153. The next prime is 26390167. The reversal of 26390164 is 46109362.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26390167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173544 + ... + 173695.

Almost surely, 2^26390164 is an apocalyptic number.

It is an amenable number.

26390164 is a deficient number, since it is larger than the sum of its proper divisors (22223436).

26390164 is a wasteful number, since it uses less digits than its factorization.

26390164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347262 (or 347260 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 26390164 is about 5137.1357778435. The cubic root of 26390164 is about 297.7241264735.

The spelling of 26390164 in words is "twenty-six million, three hundred ninety thousand, one hundred sixty-four".