105610166509 has 4 divisors (see below), whose sum is σ = 105619098880. Its totient is φ = 105601234140.

The previous prime is 105610166507. The next prime is 105610166521. The reversal of 105610166509 is 905661016501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 105610166509 - 2¹ = 105610166507 is a prime.

It is a super-2 number, since 2×105610166509² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4448427 + ... + 4472104.

It is an arithmetic number, because the mean of its divisors is an integer number (26404774720).

Almost surely, 2^105610166509 is an apocalyptic number.

It is an amenable number.

105610166509 is a deficient number, since it is larger than the sum of its proper divisors (8932371).

105610166509 is an equidigital number, since it uses as much as digits as its factorization.

105610166509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8932370.

The product of its (nonzero) digits is 48600, while the sum is 40.

The spelling of 105610166509 in words is "one hundred five billion, six hundred ten million, one hundred sixty-six thousand, five hundred nine".