16537776377875 has 8 divisors (see below), whose sum is σ = 20639144919744. Its totient is φ = 13230221102200.

The previous prime is 16537776377849. The next prime is 16537776377887. The reversal of 16537776377875 is 57877367773561.

It is not a de Polignac number, because 16537776377875 - 2¹⁵ = 16537776345107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16537776377795 and 16537776377804.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66151105387 + ... + 66151105636.

It is an arithmetic number, because the mean of its divisors is an integer number (2579893114968).

Almost surely, 2^{16537776377875} is an apocalyptic number.

16537776377875 is a deficient number, since it is larger than the sum of its proper divisors (4101368541869).

16537776377875 is an equidigital number, since it uses as much as digits as its factorization.

16537776377875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132302211038 (or 132302211028 counting only the distinct ones).

The product of its digits is 7623655200, while the sum is 79.

The spelling of 16537776377875 in words is "sixteen trillion, five hundred thirty-seven billion, seven hundred seventy-six million, three hundred seventy-seven thousand, eight hundred seventy-five".