107189641986 has 48 divisors (see below), whose sum is σ = 264049406496. Its totient is φ = 28824104064.

The previous prime is 107189641981. The next prime is 107189642017. The reversal of 107189641986 is 689146981701.

It is a super-2 number, since 2×107189641986² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (107189641981) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10718256 + ... + 10728251.

It is an arithmetic number, because the mean of its divisors is an integer number (5501029302).

Almost surely, 2^107189641986 is an apocalyptic number.

107189641986 is an abundant number, since it is smaller than the sum of its proper divisors (156859764510).

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

107189641986 is a wasteful number, since it uses less digits than its factorization.

107189641986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21446543 (or 21446536 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 60.

The spelling of 107189641986 in words is "one hundred seven billion, one hundred eighty-nine million, six hundred forty-one thousand, nine hundred eighty-six".