105909923660 has 24 divisors (see below), whose sum is σ = 222897534720. Its totient is φ = 42271265664.

The previous prime is 105909923617. The next prime is 105909923719. The reversal of 105909923660 is 66329909501.

It is a super-2 number, since 2×105909923660² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105909923599 and 105909923608.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5784620 + ... + 5802899.

It is an arithmetic number, because the mean of its divisors is an integer number (9287397280).

Almost surely, 2^105909923660 is an apocalyptic number.

105909923660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105909923660 is an abundant number, since it is smaller than the sum of its proper divisors (116987611060).

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

105909923660 is a wasteful number, since it uses less digits than its factorization.

105909923660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11587985 (or 11587983 counting only the distinct ones).

The product of its (nonzero) digits is 787320, while the sum is 50.

The spelling of 105909923660 in words is "one hundred five billion, nine hundred nine million, nine hundred twenty-three thousand, six hundred sixty".