105164819 has 4 divisors (see below), whose sum is σ = 105229944. Its totient is φ = 105099696.

The previous prime is 105164789. The next prime is 105164831. The reversal of 105164819 is 918461501.

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

It is a cyclic number.

It is not a de Polignac number, because 105164819 - 2¹² = 105160723 is a prime.

It is a super-2 number, since 2×105164819² = 22119278310605522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105164849) 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, 30077 + ... + 33390.

It is an arithmetic number, because the mean of its divisors is an integer number (26307486).

Almost surely, 2^105164819 is an apocalyptic number.

105164819 is a deficient number, since it is larger than the sum of its proper divisors (65125).

105164819 is an equidigital number, since it uses as much as digits as its factorization.

105164819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65124.

The product of its (nonzero) digits is 8640, while the sum is 35.

The square root of 105164819 is about 10254.9899561140. The cubic root of 105164819 is about 472.0161152091.

The spelling of 105164819 in words is "one hundred five million, one hundred sixty-four thousand, eight hundred nineteen".