26664016 has 20 divisors (see below), whose sum is σ = 52138900. Its totient is φ = 13208832.

The previous prime is 26663957. The next prime is 26664017. The reversal of 26664016 is 61046662.

It can be written as a sum of positive squares in 2 ways, for example, as 17640000 + 9024016 = 4200^2 + 3004^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26664017) 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, 5901 + ... + 9388.

It is an arithmetic number, because the mean of its divisors is an integer number (2606945).

Almost surely, 2^26664016 is an apocalyptic number.

It is an amenable number.

26664016 is a deficient number, since it is larger than the sum of its proper divisors (25474884).

26664016 is a wasteful number, since it uses less digits than its factorization.

26664016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15406 (or 15400 counting only the distinct ones).

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

The square root of 26664016 is about 5163.7211388688. The cubic root of 26664016 is about 298.7504171840.

The spelling of 26664016 in words is "twenty-six million, six hundred sixty-four thousand, sixteen".