26372160161 has 4 divisors (see below), whose sum is σ = 26392780800. Its totient is φ = 26351539524.

The previous prime is 26372160119. The next prime is 26372160173. The reversal of 26372160161 is 16106127362.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26372160161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26372160361) 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, 10308401 + ... + 10310958.

It is an arithmetic number, because the mean of its divisors is an integer number (6598195200).

Almost surely, 2^26372160161 is an apocalyptic number.

It is an amenable number.

26372160161 is a deficient number, since it is larger than the sum of its proper divisors (20620639).

26372160161 is a wasteful number, since it uses less digits than its factorization.

26372160161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20620638.

The product of its (nonzero) digits is 18144, while the sum is 35.

The spelling of 26372160161 in words is "twenty-six billion, three hundred seventy-two million, one hundred sixty thousand, one hundred sixty-one".