16612033216 has 14 divisors (see below), whose sum is σ = 32964503540. Its totient is φ = 8306016576.

The previous prime is 16612033213. The next prime is 16612033237. The reversal of 16612033216 is 61233021661.

It is not an unprimeable number, because it can be changed into a prime (16612033211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129781446 + ... + 129781573.

Almost surely, 2^16612033216 is an apocalyptic number.

16612033216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16612033216 is a deficient number, since it is larger than the sum of its proper divisors (16352470324).

16612033216 is an equidigital number, since it uses as much as digits as its factorization.

16612033216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259563031 (or 259563021 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

Adding to 16612033216 its reverse (61233021661), we get a palindrome (77845054877).

The spelling of 16612033216 in words is "sixteen billion, six hundred twelve million, thirty-three thousand, two hundred sixteen".