16633473085 has 4 divisors (see below), whose sum is σ = 19960167708. Its totient is φ = 13306778464.

The previous prime is 16633473041. The next prime is 16633473097. The reversal of 16633473085 is 58037433661.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58037433661 = 79 ⋅734651059.

It can be written as a sum of positive squares in 2 ways, for example, as 3441112921 + 13192360164 = 58661^2 + 114858^2 .

It is a cyclic number.

It is not a de Polignac number, because 16633473085 - 2¹⁹ = 16632948797 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 1663347304 + ... + 1663347313.

It is an arithmetic number, because the mean of its divisors is an integer number (4990041927).

Almost surely, 2^16633473085 is an apocalyptic number.

It is an amenable number.

16633473085 is a deficient number, since it is larger than the sum of its proper divisors (3326694623).

16633473085 is an equidigital number, since it uses as much as digits as its factorization.

16633473085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3326694622.

The product of its (nonzero) digits is 1088640, while the sum is 46.

The spelling of 16633473085 in words is "sixteen billion, six hundred thirty-three million, four hundred seventy-three thousand, eighty-five".