105916899 has 16 divisors (see below), whose sum is σ = 157820544. Its totient is φ = 62625600.

The previous prime is 105916873. The next prime is 105916931. The reversal of 105916899 is 998619501.

It is not a de Polignac number, because 105916899 - 2¹⁹ = 105392611 is a prime.

It is a super-2 number, since 2×105916899² = 22436778987552402, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105916999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37789 + ... + 40494.

It is an arithmetic number, because the mean of its divisors is an integer number (9863784).

Almost surely, 2^105916899 is an apocalyptic number.

105916899 is a deficient number, since it is larger than the sum of its proper divisors (51903645).

105916899 is a wasteful number, since it uses less digits than its factorization.

105916899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78338.

The product of its (nonzero) digits is 174960, while the sum is 48.

The square root of 105916899 is about 10291.5936083777. The cubic root of 105916899 is about 473.1386420206.

The spelling of 105916899 in words is "one hundred five million, nine hundred sixteen thousand, eight hundred ninety-nine".