105566660215 has 8 divisors (see below), whose sum is σ = 127677473280. Its totient is φ = 83788340832.

The previous prime is 105566660203. The next prime is 105566660233. The reversal of 105566660215 is 512066665501.

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

It is a cyclic number.

It is not a de Polignac number, because 105566660215 - 2¹⁷ = 105566529143 is a prime.

It is a super-2 number, since 2×105566660215² (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, 83122720 + ... + 83123989.

It is an arithmetic number, because the mean of its divisors is an integer number (15959684160).

Almost surely, 2^105566660215 is an apocalyptic number.

105566660215 is a deficient number, since it is larger than the sum of its proper divisors (22110813065).

105566660215 is a wasteful number, since it uses less digits than its factorization.

105566660215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166246841.

The product of its (nonzero) digits is 324000, while the sum is 43.

The spelling of 105566660215 in words is "one hundred five billion, five hundred sixty-six million, six hundred sixty thousand, two hundred fifteen".