16675493105 has 4 divisors (see below), whose sum is σ = 20010591732. Its totient is φ = 13340394480.

The previous prime is 16675493083. The next prime is 16675493183. The reversal of 16675493105 is 50139457661.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4328060944 + 12347432161 = 65788^2 + 111119^2 .

It is not a de Polignac number, because 16675493105 - 2²⁶ = 16608384241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16675493105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1667549306 + ... + 1667549315.

It is an arithmetic number, because the mean of its divisors is an integer number (5002647933).

Almost surely, 2^16675493105 is an apocalyptic number.

It is an amenable number.

16675493105 is a deficient number, since it is larger than the sum of its proper divisors (3335098627).

16675493105 is an equidigital number, since it uses as much as digits as its factorization.

16675493105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3335098626.

The product of its (nonzero) digits is 680400, while the sum is 47.

The spelling of 16675493105 in words is "sixteen billion, six hundred seventy-five million, four hundred ninety-three thousand, one hundred five".