1316643099 has 8 divisors (see below), whose sum is σ = 1780250112. Its totient is φ = 865399080.

The previous prime is 1316643071. The next prime is 1316643109. The reversal of 1316643099 is 9903466131.

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

It is not a de Polignac number, because 1316643099 - 2²⁹ = 779772187 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1316643099.

It is not an unprimeable number, because it can be changed into a prime (1316643799) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3090499 + ... + 3090924.

It is an arithmetic number, because the mean of its divisors is an integer number (222531264).

Almost surely, 2^1316643099 is an apocalyptic number.

1316643099 is a deficient number, since it is larger than the sum of its proper divisors (463607013).

1316643099 is an equidigital number, since it uses as much as digits as its factorization.

1316643099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6181497.

The product of its (nonzero) digits is 104976, while the sum is 42.

The square root of 1316643099 is about 36285.5770107077. The cubic root of 1316643099 is about 1096.0306244995.

It can be divided in two parts, 13166 and 43099, that added together give a palindrome (56265).

The spelling of 1316643099 in words is "one billion, three hundred sixteen million, six hundred forty-three thousand, ninety-nine".