26664061 has 8 divisors (see below), whose sum is σ = 28721664. Its totient is φ = 24681360.

The previous prime is 26664023. The next prime is 26664083. The reversal of 26664061 is 16046662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26664061 - 2⁷ = 26663933 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26664761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17986 + ... + 19411.

It is an arithmetic number, because the mean of its divisors is an integer number (3590208).

Almost surely, 2^26664061 is an apocalyptic number.

It is an amenable number.

26664061 is a deficient number, since it is larger than the sum of its proper divisors (2057603).

26664061 is a wasteful number, since it uses less digits than its factorization.

26664061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37451.

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

The square root of 26664061 is about 5163.7254961897. The cubic root of 26664061 is about 298.7505852477.

The spelling of 26664061 in words is "twenty-six million, six hundred sixty-four thousand, sixty-one".