26685163206 has 192 divisors, whose sum is σ = 68631148800. Its totient is φ = 7659235584.

The previous prime is 26685163171. The next prime is 26685163223. The reversal of 26685163206 is 60236158662.

26685163206 is a `hidden beast` number, since 2 + 6 + 6 + 8 + 5 + 1 + 632 + 0 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11616250 + ... + 11618546.

It is an arithmetic number, because the mean of its divisors is an integer number (357453900).

Almost surely, 2^26685163206 is an apocalyptic number.

26685163206 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 26685163206, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34315574400).

26685163206 is an abundant number, since it is smaller than the sum of its proper divisors (41945985594).

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

26685163206 is a wasteful number, since it uses less digits than its factorization.

26685163206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2420 (or 2401 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 26685163206 in words is "twenty-six billion, six hundred eighty-five million, one hundred sixty-three thousand, two hundred six".