16246666633 has 4 divisors (see below), whose sum is σ = 16329137220. Its totient is φ = 16164196048.

The previous prime is 16246666591. The next prime is 16246666637. The reversal of 16246666633 is 33666664261.

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 11456919369 + 4789747264 = 107037^2 + 69208^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16246666633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16246666637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41234998 + ... + 41235391.

It is an arithmetic number, because the mean of its divisors is an integer number (4082284305).

Almost surely, 2^16246666633 is an apocalyptic number.

It is an amenable number.

16246666633 is a deficient number, since it is larger than the sum of its proper divisors (82470587).

16246666633 is an equidigital number, since it uses as much as digits as its factorization.

16246666633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82470586.

The product of its digits is 3359232, while the sum is 49.

The spelling of 16246666633 in words is "sixteen billion, two hundred forty-six million, six hundred sixty-six thousand, six hundred thirty-three".