16387327 has 4 divisors (see below), whose sum is σ = 17877096. Its totient is φ = 14897560.

The previous prime is 16387321. The next prime is 16387333. The reversal of 16387327 is 72378361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72378361 = 11 ⋅6579851.

It is an interprime number because it is at equal distance from previous prime (16387321) and next prime (16387333).

It is a cyclic number.

It is not a de Polignac number, because 16387327 - 2⁷ = 16387199 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 (16387321) 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, 744868 + ... + 744889.

It is an arithmetic number, because the mean of its divisors is an integer number (4469274).

Almost surely, 2^16387327 is an apocalyptic number.

16387327 is a deficient number, since it is larger than the sum of its proper divisors (1489769).

16387327 is a wasteful number, since it uses less digits than its factorization.

16387327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1489768.

The product of its digits is 42336, while the sum is 37.

The square root of 16387327 is about 4048.1263567236. The cubic root of 16387327 is about 254.0013588288.

The spelling of 16387327 in words is "sixteen million, three hundred eighty-seven thousand, three hundred twenty-seven".