16653761606 has 4 divisors (see below), whose sum is σ = 24980642412. Its totient is φ = 8326880802.

The previous prime is 16653761569. The next prime is 16653761609. The reversal of 16653761606 is 60616735661.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16653761609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4163440400 + ... + 4163440403.

It is an arithmetic number, because the mean of its divisors is an integer number (6245160603).

Almost surely, 2^16653761606 is an apocalyptic number.

16653761606 is a deficient number, since it is larger than the sum of its proper divisors (8326880806).

16653761606 is an equidigital number, since it uses as much as digits as its factorization.

16653761606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8326880805.

The product of its (nonzero) digits is 816480, while the sum is 47.

The spelling of 16653761606 in words is "sixteen billion, six hundred fifty-three million, seven hundred sixty-one thousand, six hundred six".