22691813969682 has 216 divisors, whose sum is σ = 60406055184384. Its totient is φ = 6142603896000.

The previous prime is 22691813969623. The next prime is 22691813969711. The reversal of 22691813969682 is 28696931819622.

22691813969682 is a `hidden beast` number, since 2 + 2 + 69 + 18 + 1 + 396 + 96 + 82 = 666.

It is a super-2 number, since 2×22691813969682² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22691813969682.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 10416207 + ... + 12404877.

Almost surely, 2^{22691813969682} is an apocalyptic number.

22691813969682 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 22691813969682, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30203027592192).

22691813969682 is an abundant number, since it is smaller than the sum of its proper divisors (37714241214702).

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

22691813969682 is a wasteful number, since it uses less digits than its factorization.

22691813969682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1988758 (or 1988731 counting only the distinct ones).

The product of its digits is 241864704, while the sum is 72.

The spelling of 22691813969682 in words is "twenty-two trillion, six hundred ninety-one billion, eight hundred thirteen million, nine hundred sixty-nine thousand, six hundred eighty-two".