1638676096315 has 4 divisors (see below), whose sum is σ = 1966411315584. Its totient is φ = 1310940877048.

The previous prime is 1638676096297. The next prime is 1638676096339. The reversal of 1638676096315 is 5136906768361.

It is a happy number.

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 1638676096315 - 2²⁷ = 1638541878587 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163867609627 + ... + 163867609636.

It is an arithmetic number, because the mean of its divisors is an integer number (491602828896).

Almost surely, 2^{1638676096315} is an apocalyptic number.

1638676096315 is a deficient number, since it is larger than the sum of its proper divisors (327735219269).

1638676096315 is an equidigital number, since it uses as much as digits as its factorization.

1638676096315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327735219268.

The product of its (nonzero) digits is 29393280, while the sum is 61.

The spelling of 1638676096315 in words is "one trillion, six hundred thirty-eight billion, six hundred seventy-six million, ninety-six thousand, three hundred fifteen".