105660994 has 4 divisors (see below), whose sum is σ = 158491494. Its totient is φ = 52830496.

The previous prime is 105660979. The next prime is 105661027. The reversal of 105660994 is 499066501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 101909025 + 3751969 = 10095^2 + 1937^2 .

It is a super-2 number, since 2×105660994² = 22328491306136072, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26415247 + ... + 26415250.

Almost surely, 2^105660994 is an apocalyptic number.

105660994 is a deficient number, since it is larger than the sum of its proper divisors (52830500).

105660994 is an equidigital number, since it uses as much as digits as its factorization.

105660994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52830499.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 105660994 is about 10279.1533698063. The cubic root of 105660994 is about 472.7572858544.

The spelling of 105660994 in words is "one hundred five million, six hundred sixty thousand, nine hundred ninety-four".