16630585105 has 4 divisors (see below), whose sum is σ = 19956702132. Its totient is φ = 13304468080.

The previous prime is 16630585051. The next prime is 16630585117. The reversal of 16630585105 is 50158503661.

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 2868245136 + 13762339969 = 53556^2 + 117313^2 .

It is a de Polignac number, because none of the positive numbers 2^k-16630585105 is a prime.

It is a super-2 number, since 2×16630585105² (a number of 21 digits) contains 22 as substring.

It is a Duffinian 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, 1663058506 + ... + 1663058515.

It is an arithmetic number, because the mean of its divisors is an integer number (4989175533).

Almost surely, 2^16630585105 is an apocalyptic number.

It is an amenable number.

16630585105 is a deficient number, since it is larger than the sum of its proper divisors (3326117027).

16630585105 is an equidigital number, since it uses as much as digits as its factorization.

16630585105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3326117026.

The product of its (nonzero) digits is 108000, while the sum is 40.

The spelling of 16630585105 in words is "sixteen billion, six hundred thirty million, five hundred eighty-five thousand, one hundred five".