26066164 has 18 divisors (see below), whose sum is σ = 47141682. Its totient is φ = 12610800.

The previous prime is 26066137. The next prime is 26066171. The reversal of 26066164 is 46166062.

It can be written as a sum of positive squares in only one way, i.e., 21622500 + 4443664 = 4650^2 + 2108^2 .

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 454 + ... + 7234.

Almost surely, 2^26066164 is an apocalyptic number.

It is an amenable number.

26066164 is a deficient number, since it is larger than the sum of its proper divisors (21075518).

26066164 is a wasteful number, since it uses less digits than its factorization.

26066164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6847 (or 6814 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 26066164 is about 5105.5033052580. The cubic root of 26066164 is about 296.5006896065.

The spelling of 26066164 in words is "twenty-six million, sixty-six thousand, one hundred sixty-four".