16117143 has 16 divisors (see below), whose sum is σ = 24631296. Its totient is φ = 9182880.

The previous prime is 16117121. The next prime is 16117151. The reversal of 16117143 is 34171161.

It is not a de Polignac number, because 16117143 - 2⁸ = 16116887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16117103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7930 + ... + 9752.

It is an arithmetic number, because the mean of its divisors is an integer number (1539456).

Almost surely, 2^16117143 is an apocalyptic number.

16117143 is a deficient number, since it is larger than the sum of its proper divisors (8514153).

16117143 is a wasteful number, since it uses less digits than its factorization.

16117143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2254.

The product of its digits is 504, while the sum is 24.

The square root of 16117143 is about 4014.6161709434. The cubic root of 16117143 is about 252.5976774661.

The spelling of 16117143 in words is "sixteen million, one hundred seventeen thousand, one hundred forty-three".