16612663 has 8 divisors (see below), whose sum is σ = 17088896. Its totient is φ = 16140600.

The previous prime is 16612649. The next prime is 16612681. The reversal of 16612663 is 36621661.

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

It is a cyclic number.

It is not a de Polignac number, because 16612663 - 2⁹ = 16612151 is a prime.

It is a Duffinian number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 8158 + ... + 9988.

It is an arithmetic number, because the mean of its divisors is an integer number (2136112).

Almost surely, 2^16612663 is an apocalyptic number.

16612663 is a deficient number, since it is larger than the sum of its proper divisors (476233).

16612663 is a wasteful number, since it uses less digits than its factorization.

16612663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2085.

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

The square root of 16612663 is about 4075.8634668006. The cubic root of 16612663 is about 255.1602888177.

The spelling of 16612663 in words is "sixteen million, six hundred twelve thousand, six hundred sixty-three".