26675121660 has 96 divisors (see below), whose sum is σ = 83214093312. Its totient is φ = 6329099520.

The previous prime is 26675121659. The next prime is 26675121661. The reversal of 26675121660 is 6612157662.

It is an interprime number because it is at equal distance from previous prime (26675121659) and next prime (26675121661).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26675121661) 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, 398947 + ... + 460986.

It is an arithmetic number, because the mean of its divisors is an integer number (866813472).

Almost surely, 2^26675121660 is an apocalyptic number.

26675121660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26675121660 is an abundant number, since it is smaller than the sum of its proper divisors (56538971652).

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

26675121660 is a wasteful number, since it uses less digits than its factorization.

26675121660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860003 (or 860001 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 26675121660 in words is "twenty-six billion, six hundred seventy-five million, one hundred twenty-one thousand, six hundred sixty".