16653316506 has 8 divisors (see below), whose sum is σ = 33306633024. Its totient is φ = 5551105500.

The previous prime is 16653316487. The next prime is 16653316523. The reversal of 16653316506 is 60561335661.

It is a sphenic number, since it is the product of 3 distinct primes.

16653316506 is an admirable 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, 1387776370 + ... + 1387776381.

It is an arithmetic number, because the mean of its divisors is an integer number (4163329128).

Almost surely, 2^16653316506 is an apocalyptic number.

16653316506 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16653316506 is a wasteful number, since it uses less digits than its factorization.

16653316506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2775552756.

The product of its (nonzero) digits is 291600, while the sum is 42.

The spelling of 16653316506 in words is "sixteen billion, six hundred fifty-three million, three hundred sixteen thousand, five hundred six".