16371887 has 8 divisors (see below), whose sum is σ = 18756000. Its totient is φ = 13999104.

The previous prime is 16371857. The next prime is 16371889. The reversal of 16371887 is 78817361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16371887 - 2¹⁰ = 16370863 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 (16371889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 539 + ... + 5747.

It is an arithmetic number, because the mean of its divisors is an integer number (2344500).

Almost surely, 2^16371887 is an apocalyptic number.

16371887 is a deficient number, since it is larger than the sum of its proper divisors (2384113).

16371887 is an equidigital number, since it uses as much as digits as its factorization.

16371887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5665.

The product of its digits is 56448, while the sum is 41.

The square root of 16371887 is about 4046.2188522125. The cubic root of 16371887 is about 253.9215611226.

The spelling of 16371887 in words is "sixteen million, three hundred seventy-one thousand, eight hundred eighty-seven".