26161679656 has 16 divisors (see below), whose sum is σ = 56060742240. Its totient is φ = 11212148400.

The previous prime is 26161679587. The next prime is 26161679699. The reversal of 26161679656 is 65697616162.

It is a junction number, because it is equal to n+sod(n) for n = 26161679597 and 26161679606.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233586370 + ... + 233586481.

It is an arithmetic number, because the mean of its divisors is an integer number (3503796390).

Almost surely, 2^26161679656 is an apocalyptic number.

It is an amenable number.

26161679656 is an abundant number, since it is smaller than the sum of its proper divisors (29899062584).

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

26161679656 is a wasteful number, since it uses less digits than its factorization.

26161679656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467172864 (or 467172860 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 55.

The spelling of 26161679656 in words is "twenty-six billion, one hundred sixty-one million, six hundred seventy-nine thousand, six hundred fifty-six".