105660101665 has 8 divisors (see below), whose sum is σ = 126804722688. Its totient is φ = 84519680880.

The previous prime is 105660101647. The next prime is 105660101699. The reversal of 105660101665 is 566101066501.

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

It is not a de Polignac number, because 105660101665 - 2⁵ = 105660101633 is a prime.

It is a super-2 number, since 2×105660101665² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

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, 994447 + ... + 1095556.

It is an arithmetic number, because the mean of its divisors is an integer number (15850590336).

Almost surely, 2^105660101665 is an apocalyptic number.

It is an amenable number.

105660101665 is a deficient number, since it is larger than the sum of its proper divisors (21144621023).

105660101665 is a wasteful number, since it uses less digits than its factorization.

105660101665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2100119.

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 105660101665 in words is "one hundred five billion, six hundred sixty million, one hundred one thousand, six hundred sixty-five".