16220366 has 4 divisors (see below), whose sum is σ = 24330552. Its totient is φ = 8110182.

The previous prime is 16220287. The next prime is 16220371. The reversal of 16220366 is 66302261.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 4055090 + ... + 4055093.

It is an arithmetic number, because the mean of its divisors is an integer number (6082638).

Almost surely, 2^16220366 is an apocalyptic number.

16220366 is a deficient number, since it is larger than the sum of its proper divisors (8110186).

16220366 is an equidigital number, since it uses as much as digits as its factorization.

16220366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8110185.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 16220366 is about 4027.4515515398. The cubic root of 16220366 is about 253.1357882106.

The spelling of 16220366 in words is "sixteen million, two hundred twenty thousand, three hundred sixty-six".