16633023245 has 4 divisors (see below), whose sum is σ = 19959627900. Its totient is φ = 13306418592.

The previous prime is 16633023241. The next prime is 16633023257. The reversal of 16633023245 is 54232033661.

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 11540345476 + 5092677769 = 107426^2 + 71363^2 .

It is a cyclic number.

It is not a de Polignac number, because 16633023245 - 2² = 16633023241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16633023241) 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, 1663302320 + ... + 1663302329.

It is an arithmetic number, because the mean of its divisors is an integer number (4989906975).

Almost surely, 2^16633023245 is an apocalyptic number.

It is an amenable number.

16633023245 is a deficient number, since it is larger than the sum of its proper divisors (3326604655).

16633023245 is an equidigital number, since it uses as much as digits as its factorization.

16633023245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3326604654.

The product of its (nonzero) digits is 77760, while the sum is 35.

The spelling of 16633023245 in words is "sixteen billion, six hundred thirty-three million, twenty-three thousand, two hundred forty-five".