26164047 has 32 divisors (see below), whose sum is σ = 43223040. Its totient is φ = 13708800.

The previous prime is 26164043. The next prime is 26164049. The reversal of 26164047 is 74046162.

It is not a de Polignac number, because 26164047 - 2² = 26164043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26164043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65047 + ... + 65447.

It is an arithmetic number, because the mean of its divisors is an integer number (1350720).

Almost surely, 2^26164047 is an apocalyptic number.

26164047 is a deficient number, since it is larger than the sum of its proper divisors (17058993).

26164047 is a wasteful number, since it uses less digits than its factorization.

26164047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 26164047 is about 5115.0803512750. The cubic root of 26164047 is about 296.8713633091.

The spelling of 26164047 in words is "twenty-six million, one hundred sixty-four thousand, forty-seven".