26072161 has 8 divisors (see below), whose sum is σ = 28186880. Its totient is φ = 24031728.

The previous prime is 26072153. The next prime is 26072171. The reversal of 26072161 is 16127062.

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 26072161 - 2³ = 26072153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26072141) 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, 17841 + ... + 19246.

It is an arithmetic number, because the mean of its divisors is an integer number (3523360).

Almost surely, 2^26072161 is an apocalyptic number.

It is an amenable number.

26072161 is a deficient number, since it is larger than the sum of its proper divisors (2114719).

26072161 is a wasteful number, since it uses less digits than its factorization.

26072161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37143.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 26072161 is about 5106.0905789067. The cubic root of 26072161 is about 296.5234263402.

The spelling of 26072161 in words is "twenty-six million, seventy-two thousand, one hundred sixty-one".