16334661 has 16 divisors (see below), whose sum is σ = 26201600. Its totient is φ = 8842608.

The previous prime is 16334657. The next prime is 16334677. The reversal of 16334661 is 16643361.

It is not a de Polignac number, because 16334661 - 2² = 16334657 is a prime.

It is a super-2 number, since 2×16334661² = 533642299969842, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16334561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20071 + ... + 20868.

It is an arithmetic number, because the mean of its divisors is an integer number (1637600).

Almost surely, 2^16334661 is an apocalyptic number.

It is an amenable number.

16334661 is a deficient number, since it is larger than the sum of its proper divisors (9866939).

16334661 is a wasteful number, since it uses less digits than its factorization.

16334661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40968.

The product of its digits is 7776, while the sum is 30.

The square root of 16334661 is about 4041.6161371412. The cubic root of 16334661 is about 253.7289615081.

The spelling of 16334661 in words is "sixteen million, three hundred thirty-four thousand, six hundred sixty-one".