26666960 has 20 divisors (see below), whose sum is σ = 62000868. Its totient is φ = 10666752.

The previous prime is 26666957. The next prime is 26667007. The reversal of 26666960 is 6966662.

It can be written as a sum of positive squares in 2 ways, for example, as 9560464 + 17106496 = 3092^2 + 4136^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×26666960² = 1422253511283200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166589 + ... + 166748.

Almost surely, 2^26666960 is an apocalyptic number.

26666960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26666960 is an abundant number, since it is smaller than the sum of its proper divisors (35333908).

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

26666960 is a wasteful number, since it uses less digits than its factorization.

26666960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333350 (or 333344 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 41.

The square root of 26666960 is about 5164.0061967430. The cubic root of 26666960 is about 298.7614118876.

The spelling of 26666960 in words is "twenty-six million, six hundred sixty-six thousand, nine hundred sixty".