16485870344 has 24 divisors (see below), whose sum is σ = 30964876110. Its totient is φ = 8228585664.

The previous prime is 16485870307. The next prime is 16485870383. The reversal of 16485870344 is 44307858461.

It can be written as a sum of positive squares in only one way, i.e., 16265941444 + 219928900 = 127538^2 + 14830^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16485870292 and 16485870301.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11115827 + ... + 11117309.

Almost surely, 2^16485870344 is an apocalyptic number.

It is an amenable number.

16485870344 is a deficient number, since it is larger than the sum of its proper divisors (14479005766).

16485870344 is an frugal number, since it uses more digits than its factorization.

16485870344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3909 (or 2422 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 50.

The spelling of 16485870344 in words is "sixteen billion, four hundred eighty-five million, eight hundred seventy thousand, three hundred forty-four".