16142671 has 4 divisors (see below), whose sum is σ = 16150752. Its totient is φ = 16134592.

The previous prime is 16142669. The next prime is 16142683. The reversal of 16142671 is 17624161.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 17624161 = 179 ⋅98459.

It is a cyclic number.

It is not a de Polignac number, because 16142671 - 2¹ = 16142669 is a prime.

It is a super-3 number, since 3×16142671³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16142171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1386 + ... + 5848.

It is an arithmetic number, because the mean of its divisors is an integer number (4037688).

Almost surely, 2^16142671 is an apocalyptic number.

16142671 is a deficient number, since it is larger than the sum of its proper divisors (8081).

16142671 is an equidigital number, since it uses as much as digits as its factorization.

16142671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8080.

The product of its digits is 2016, while the sum is 28.

The square root of 16142671 is about 4017.7942953815. The cubic root of 16142671 is about 252.7309705690.

The spelling of 16142671 in words is "sixteen million, one hundred forty-two thousand, six hundred seventy-one".