16612617 has 12 divisors (see below), whose sum is σ = 25766736. Its totient is φ = 9492840.

The previous prime is 16612613. The next prime is 16612619. The reversal of 16612617 is 71621661.

It is not a de Polignac number, because 16612617 - 2² = 16612613 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16612613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56359 + ... + 56652.

It is an arithmetic number, because the mean of its divisors is an integer number (2147228).

Almost surely, 2^16612617 is an apocalyptic number.

It is an amenable number.

16612617 is a deficient number, since it is larger than the sum of its proper divisors (9154119).

16612617 is a wasteful number, since it uses less digits than its factorization.

16612617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113028 (or 113021 counting only the distinct ones).

The product of its digits is 3024, while the sum is 30.

The square root of 16612617 is about 4075.8578238206. The cubic root of 16612617 is about 255.1600533069.

It can be divided in two parts, 1661 and 2617, that added together give a triangular number (4278 = T₉₂).

The spelling of 16612617 in words is "sixteen million, six hundred twelve thousand, six hundred seventeen".