16555146 has 16 divisors (see below), whose sum is σ = 33172608. Its totient is φ = 5508000.

The previous prime is 16555111. The next prime is 16555151. The reversal of 16555146 is 64155561.

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 7 ways as a sum of consecutive naturals, for example, 1311 + ... + 5901.

It is an arithmetic number, because the mean of its divisors is an integer number (2073288).

Almost surely, 2^16555146 is an apocalyptic number.

16555146 is an abundant number, since it is smaller than the sum of its proper divisors (16617462).

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

16555146 is a wasteful number, since it uses less digits than its factorization.

16555146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5197.

The product of its digits is 18000, while the sum is 33.

The square root of 16555146 is about 4068.8015434523. The cubic root of 16555146 is about 254.8654730634.

The spelling of 16555146 in words is "sixteen million, five hundred fifty-five thousand, one hundred forty-six".