65870116499 has 16 divisors (see below), whose sum is σ = 72865077984. Its totient is φ = 59043456000.

The previous prime is 65870116469. The next prime is 65870116513. The reversal of 65870116499 is 99461107856.

It is a cyclic number.

It is not a de Polignac number, because 65870116499 - 2⁸ = 65870116243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65870116469) 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 15 ways as a sum of consecutive naturals, for example, 3067199 + ... + 3088599.

It is an arithmetic number, because the mean of its divisors is an integer number (4554067374).

Almost surely, 2^65870116499 is an apocalyptic number.

65870116499 is a deficient number, since it is larger than the sum of its proper divisors (6994961485).

65870116499 is a wasteful number, since it uses less digits than its factorization.

65870116499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25318.

The product of its (nonzero) digits is 3265920, while the sum is 56.

The spelling of 65870116499 in words is "sixty-five billion, eight hundred seventy million, one hundred sixteen thousand, four hundred ninety-nine".