105666060615 has 8 divisors (see below), whose sum is σ = 169065697008. Its totient is φ = 56355232320.

The previous prime is 105666060601. The next prime is 105666060637. The reversal of 105666060615 is 516060666501.

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

It is not a de Polignac number, because 105666060615 - 2⁸ = 105666060359 is a prime.

It is a super-2 number, since 2×105666060615² (a number of 23 digits) contains 22 as substring.

It is a congruent 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, 3522202006 + ... + 3522202035.

It is an arithmetic number, because the mean of its divisors is an integer number (21133212126).

Almost surely, 2^105666060615 is an apocalyptic number.

105666060615 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

105666060615 is a deficient number, since it is larger than the sum of its proper divisors (63399636393).

105666060615 is an equidigital number, since it uses as much as digits as its factorization.

105666060615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7044404049.

The product of its (nonzero) digits is 194400, while the sum is 42.

The spelling of 105666060615 in words is "one hundred five billion, six hundred sixty-six million, sixty thousand, six hundred fifteen".