16617253355 has 8 divisors (see below), whose sum is σ = 19945602864. Its totient is φ = 13290536800.

The previous prime is 16617253343. The next prime is 16617253397. The reversal of 16617253355 is 55335271661.

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

It is not a de Polignac number, because 16617253355 - 2⁸ = 16617253099 is a prime.

It is a super-2 number, since 2×16617253355² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385736 + ... + 426645.

It is an arithmetic number, because the mean of its divisors is an integer number (2493200358).

Almost surely, 2^16617253355 is an apocalyptic number.

16617253355 is a deficient number, since it is larger than the sum of its proper divisors (3328349509).

16617253355 is an equidigital number, since it uses as much as digits as its factorization.

16617253355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816477.

The product of its digits is 567000, while the sum is 44.

The spelling of 16617253355 in words is "sixteen billion, six hundred seventeen million, two hundred fifty-three thousand, three hundred fifty-five".