105610166506 has 8 divisors (see below), whose sum is σ = 170601038244. Its totient is φ = 48743153760.

The previous prime is 105610166429. The next prime is 105610166507. The reversal of 105610166506 is 605661016501.

It can be written as a sum of positive squares in 2 ways, for example, as 102758072481 + 2852094025 = 320559^2 + 53405^2 .

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

It is a super-2 number, since 2×105610166506² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105610166507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2030964715 + ... + 2030964766.

Almost surely, 2^105610166506 is an apocalyptic number.

105610166506 is a deficient number, since it is larger than the sum of its proper divisors (64990871738).

105610166506 is a wasteful number, since it uses less digits than its factorization.

105610166506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4061929496.

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

The spelling of 105610166506 in words is "one hundred five billion, six hundred ten million, one hundred sixty-six thousand, five hundred six".