105702166620655 has 64 divisors (see below), whose sum is σ = 141505085030400. Its totient is φ = 75158094528000.

The previous prime is 105702166620641. The next prime is 105702166620679. The reversal of 105702166620655 is 556026661207501.

It is not a de Polignac number, because 105702166620655 - 2²⁵ = 105702133066223 is a prime.

It is a super-2 number, since 2×105702166620655² (a number of 29 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 63 ways as a sum of consecutive naturals, for example, 199420914 + ... + 199950256.

It is an arithmetic number, because the mean of its divisors is an integer number (2211016953600).

Almost surely, 2^{105702166620655} is an apocalyptic number.

105702166620655 is a deficient number, since it is larger than the sum of its proper divisors (35802918409745).

105702166620655 is a wasteful number, since it uses less digits than its factorization.

105702166620655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529912.

The product of its (nonzero) digits is 4536000, while the sum is 52.

It can be divided in two parts, 1057021 and 66620655, that added together give a palindrome (67677676).

The spelling of 105702166620655 in words is "one hundred five trillion, seven hundred two billion, one hundred sixty-six million, six hundred twenty thousand, six hundred fifty-five".