16677142 has 16 divisors (see below), whose sum is σ = 25627680. Its totient is φ = 8137152.

The previous prime is 16677131. The next prime is 16677169. The reversal of 16677142 is 24177661.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 16677098 and 16677107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14484 + ... + 15592.

It is an arithmetic number, because the mean of its divisors is an integer number (1601730).

Almost surely, 2^16677142 is an apocalyptic number.

16677142 is a deficient number, since it is larger than the sum of its proper divisors (8950538).

16677142 is a wasteful number, since it uses less digits than its factorization.

16677142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287.

The product of its digits is 14112, while the sum is 34.

The square root of 16677142 is about 4083.7656641879. The cubic root of 16677142 is about 255.4899819015.

The spelling of 16677142 in words is "sixteen million, six hundred seventy-seven thousand, one hundred forty-two".