636060682681 has 8 divisors (see below), whose sum is σ = 658061334720. Its totient is φ = 614064532368.

The previous prime is 636060682679. The next prime is 636060682717. The reversal of 636060682681 is 186286060636.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 636060682681 - 2¹ = 636060682679 is a prime.

It is a super-2 number, since 2×636060682681² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (636060982681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 836701 + ... + 1404346.

It is an arithmetic number, because the mean of its divisors is an integer number (82257666840).

Almost surely, 2^636060682681 is an apocalyptic number.

It is an amenable number.

636060682681 is a deficient number, since it is larger than the sum of its proper divisors (22000652039).

636060682681 is a wasteful number, since it uses less digits than its factorization.

636060682681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2250863.

The product of its (nonzero) digits is 2985984, while the sum is 52.

The spelling of 636060682681 in words is "six hundred thirty-six billion, sixty million, six hundred eighty-two thousand, six hundred eighty-one".