26005162660 has 48 divisors (see below), whose sum is σ = 55990714752. Its totient is φ = 10139667200.

The previous prime is 26005162643. The next prime is 26005162669. The reversal of 26005162660 is 6626150062.

It is not an unprimeable number, because it can be changed into a prime (26005162669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 989895 + ... + 1015825.

It is an arithmetic number, because the mean of its divisors is an integer number (1166473224).

Almost surely, 2^26005162660 is an apocalyptic number.

26005162660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26005162660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27995357376).

26005162660 is an abundant number, since it is smaller than the sum of its proper divisors (29985552092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26005162660 is a wasteful number, since it uses less digits than its factorization.

26005162660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27204 (or 27202 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 26005162660 in words is "twenty-six billion, five million, one hundred sixty-two thousand, six hundred sixty".