16450865873 has 16 divisors (see below), whose sum is σ = 18339578880. Its totient is φ = 14651896896.

The previous prime is 16450865869. The next prime is 16450865887. The reversal of 16450865873 is 37856805461.

It is not a de Polignac number, because 16450865873 - 2² = 16450865869 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16450865173) 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, 576836 + ... + 604682.

It is an arithmetic number, because the mean of its divisors is an integer number (1146223680).

Almost surely, 2^16450865873 is an apocalyptic number.

16450865873 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

16450865873 is a deficient number, since it is larger than the sum of its proper divisors (1888713007).

16450865873 is a wasteful number, since it uses less digits than its factorization.

16450865873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29456.

The product of its (nonzero) digits is 4838400, while the sum is 53.

The spelling of 16450865873 in words is "sixteen billion, four hundred fifty million, eight hundred sixty-five thousand, eight hundred seventy-three".