21160675826136 has 288 divisors, whose sum is σ = 72734028803280. Its totient is φ = 5495790182400.

The previous prime is 21160675826123. The next prime is 21160675826141. The reversal of 21160675826136 is 63162857606112.

It is a happy number.

21160675826136 is a `hidden beast` number, since 2 + 1 + 1 + 606 + 7 + 5 + 8 + 26 + 1 + 3 + 6 = 666.

It is a super-2 number, since 2×21160675826136² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 685217416 + ... + 685248296.

Almost surely, 2^{21160675826136} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21160675826136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36367014401640).

21160675826136 is an abundant number, since it is smaller than the sum of its proper divisors (51573352977144).

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

21160675826136 is a wasteful number, since it uses less digits than its factorization.

21160675826136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48575 (or 48561 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 21160675826136 in words is "twenty-one trillion, one hundred sixty billion, six hundred seventy-five million, eight hundred twenty-six thousand, one hundred thirty-six".