16614661 has 8 divisors (see below), whose sum is σ = 20105280. Its totient is φ = 13403328.

The previous prime is 16614629. The next prime is 16614677. The reversal of 16614661 is 16641661.

16614661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 16614661 - 2⁵ = 16614629 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 (16624661) 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, 69691 + ... + 69928.

It is an arithmetic number, because the mean of its divisors is an integer number (2513160).

Almost surely, 2^16614661 is an apocalyptic number.

It is an amenable number.

16614661 is a deficient number, since it is larger than the sum of its proper divisors (3490619).

16614661 is a wasteful number, since it uses less digits than its factorization.

16614661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139643.

The product of its digits is 5184, while the sum is 31.

The square root of 16614661 is about 4076.1085608703. The cubic root of 16614661 is about 255.1705177581.

Subtracting 16614661 from its reverse (16641661), we obtain a cube (27000 = 30³).

The spelling of 16614661 in words is "sixteen million, six hundred fourteen thousand, six hundred sixty-one".