16055566 has 16 divisors (see below), whose sum is σ = 24739488. Its totient is φ = 7812000.

The previous prime is 16055539. The next prime is 16055573. The reversal of 16055566 is 66555061.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11671 + ... + 12973.

It is an arithmetic number, because the mean of its divisors is an integer number (1546218).

Almost surely, 2^16055566 is an apocalyptic number.

16055566 is a deficient number, since it is larger than the sum of its proper divisors (8683922).

16055566 is a wasteful number, since it uses less digits than its factorization.

16055566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1467.

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 16055566 is about 4006.9397300184. The cubic root of 16055566 is about 252.2755761671.

The spelling of 16055566 in words is "sixteen million, fifty-five thousand, five hundred sixty-six".