26160139621 has 24 divisors (see below), whose sum is σ = 33312571712. Its totient is φ = 20105236800.

The previous prime is 26160139619. The next prime is 26160139651. The reversal of 26160139621 is 12693106162.

It is not a de Polignac number, because 26160139621 - 2¹ = 26160139619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26160139651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 149715 + ... + 273376.

Almost surely, 2^26160139621 is an apocalyptic number.

It is an amenable number.

26160139621 is a deficient number, since it is larger than the sum of its proper divisors (7152432091).

26160139621 is a wasteful number, since it uses less digits than its factorization.

26160139621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423193 (or 423182 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 37.

The spelling of 26160139621 in words is "twenty-six billion, one hundred sixty million, one hundred thirty-nine thousand, six hundred twenty-one".