16364616443875 has 128 divisors (see below), whose sum is σ = 24082040586240. Its totient is φ = 10871879040000.

The previous prime is 16364616443869. The next prime is 16364616443881. The reversal of 16364616443875 is 57834461646361.

It is an interprime number because it is at equal distance from previous prime (16364616443869) and next prime (16364616443881).

It is a de Polignac number, because none of the positive numbers 2^k-16364616443875 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 996558165 + ... + 996574585.

It is an arithmetic number, because the mean of its divisors is an integer number (188140942080).

Almost surely, 2^{16364616443875} is an apocalyptic number.

16364616443875 is a deficient number, since it is larger than the sum of its proper divisors (7717424142365).

16364616443875 is a wasteful number, since it uses less digits than its factorization.

16364616443875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16790 (or 16780 counting only the distinct ones).

The product of its digits is 209018880, while the sum is 64.

The spelling of 16364616443875 in words is "sixteen trillion, three hundred sixty-four billion, six hundred sixteen million, four hundred forty-three thousand, eight hundred seventy-five".