16366616 has 64 divisors (see below), whose sum is σ = 37255680. Its totient is φ = 6589440.

The previous prime is 16366591. The next prime is 16366621. The reversal of 16366616 is 61666361.

16366616 = T₃₆₈ + T₃₆₉ + ... + T₅₂₈.

It is a super-2 number, since 2×16366616² = 535732238582912, which contains 22 as substring.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124871 + ... + 125001.

It is an arithmetic number, because the mean of its divisors is an integer number (582120).

Almost surely, 2^16366616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16366616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18627840).

16366616 is an abundant number, since it is smaller than the sum of its proper divisors (20889064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16366616 is a wasteful number, since it uses less digits than its factorization.

16366616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264 (or 260 counting only the distinct ones).

The product of its digits is 23328, while the sum is 35.

The square root of 16366616 is about 4045.5674509270. The cubic root of 16366616 is about 253.8943078151.

The spelling of 16366616 in words is "sixteen million, three hundred sixty-six thousand, six hundred sixteen".