16555142 has 8 divisors (see below), whose sum is σ = 24850056. Its totient is φ = 8271792.

The previous prime is 16555111. The next prime is 16555151. The reversal of 16555142 is 24155561.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct 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 in 3 ways as a sum of consecutive naturals, for example, 3653 + ... + 6815.

It is an arithmetic number, because the mean of its divisors is an integer number (3106257).

Almost surely, 2^16555142 is an apocalyptic number.

16555142 is a deficient number, since it is larger than the sum of its proper divisors (8294914).

16555142 is a wasteful number, since it uses less digits than its factorization.

16555142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5782.

The product of its digits is 6000, while the sum is 29.

The square root of 16555142 is about 4068.8010519071. The cubic root of 16555142 is about 254.8654525368.

The spelling of 16555142 in words is "sixteen million, five hundred fifty-five thousand, one hundred forty-two".