105666061612 has 12 divisors (see below), whose sum is σ = 184926850920. Its totient is φ = 52829818496.

The previous prime is 105666061607. The next prime is 105666061637. The reversal of 105666061612 is 216160666501.

It is a super-2 number, since 2×105666061612² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 728293 + ... + 861244.

It is an arithmetic number, because the mean of its divisors is an integer number (15410570910).

Almost surely, 2^105666061612 is an apocalyptic number.

It is an amenable number.

105666061612 is a deficient number, since it is larger than the sum of its proper divisors (79260789308).

105666061612 is a wasteful number, since it uses less digits than its factorization.

105666061612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1606160 (or 1606158 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The spelling of 105666061612 in words is "one hundred five billion, six hundred sixty-six million, sixty-one thousand, six hundred twelve".