16748409185 has 16 divisors (see below), whose sum is σ = 20925816912. Its totient is φ = 12857625600.

The previous prime is 16748409131. The next prime is 16748409191. The reversal of 16748409185 is 58190484761.

It can be written as a sum of positive squares in 8 ways, for example, as 3227603344 + 13520805841 = 56812^2 + 116279^2 .

It is not a de Polignac number, because 16748409185 - 2²² = 16744214881 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 657164 + ... + 682173.

It is an arithmetic number, because the mean of its divisors is an integer number (1307863557).

Almost surely, 2^16748409185 is an apocalyptic number.

It is an amenable number.

16748409185 is a deficient number, since it is larger than the sum of its proper divisors (4177407727).

16748409185 is a wasteful number, since it uses less digits than its factorization.

16748409185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339444.

The product of its (nonzero) digits is 1935360, while the sum is 53.

The spelling of 16748409185 in words is "sixteen billion, seven hundred forty-eight million, four hundred nine thousand, one hundred eighty-five".