16385487 has 8 divisors (see below), whose sum is σ = 22437936. Its totient is φ = 10628352.

The previous prime is 16385483. The next prime is 16385489. The reversal of 16385487 is 78458361.

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

It is not a de Polignac number, because 16385487 - 2² = 16385483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16385483) 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, 73698 + ... + 73919.

It is an arithmetic number, because the mean of its divisors is an integer number (2804742).

Almost surely, 2^16385487 is an apocalyptic number.

16385487 is a deficient number, since it is larger than the sum of its proper divisors (6052449).

16385487 is a wasteful number, since it uses less digits than its factorization.

16385487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147657.

The product of its digits is 161280, while the sum is 42.

The square root of 16385487 is about 4047.8990847105. The cubic root of 16385487 is about 253.9918518890.

The spelling of 16385487 in words is "sixteen million, three hundred eighty-five thousand, four hundred eighty-seven".