16118671 has 4 divisors (see below), whose sum is σ = 16227000. Its totient is φ = 16010344.

The previous prime is 16118657. The next prime is 16118677. The reversal of 16118671 is 17681161.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17681161 = 101 ⋅175061.

It is a cyclic number.

It is not a de Polignac number, because 16118671 - 2⁵ = 16118639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16118677) 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 3 ways as a sum of consecutive naturals, for example, 53941 + ... + 54238.

It is an arithmetic number, because the mean of its divisors is an integer number (4056750).

Almost surely, 2^16118671 is an apocalyptic number.

16118671 is a deficient number, since it is larger than the sum of its proper divisors (108329).

16118671 is a wasteful number, since it uses less digits than its factorization.

16118671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108328.

The product of its digits is 2016, while the sum is 31.

The square root of 16118671 is about 4014.8064710519. The cubic root of 16118671 is about 252.6056597959.

The spelling of 16118671 in words is "sixteen million, one hundred eighteen thousand, six hundred seventy-one".