16744434875 has 16 divisors (see below), whose sum is σ = 23882349504. Its totient is φ = 11481897600.

The previous prime is 16744434781. The next prime is 16744434877. The reversal of 16744434875 is 57843444761.

It is not a de Polignac number, because 16744434875 - 2¹⁶ = 16744369339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16744434877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9567374 + ... + 9569123.

It is an arithmetic number, because the mean of its divisors is an integer number (1492646844).

Almost surely, 2^16744434875 is an apocalyptic number.

16744434875 is a deficient number, since it is larger than the sum of its proper divisors (7137914629).

16744434875 is an equidigital number, since it uses as much as digits as its factorization.

16744434875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19136519 (or 19136509 counting only the distinct ones).

The product of its digits is 9031680, while the sum is 53.

The spelling of 16744434875 in words is "sixteen billion, seven hundred forty-four million, four hundred thirty-four thousand, eight hundred seventy-five".