16330387 has 8 divisors (see below), whose sum is σ = 17464032. Its totient is φ = 15216000.

The previous prime is 16330381. The next prime is 16330409. The reversal of 16330387 is 78303361.

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

It is a cyclic number.

It is not a de Polignac number, because 16330387 - 2¹⁹ = 15806099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16330381) 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, 3039 + ... + 6472.

It is an arithmetic number, because the mean of its divisors is an integer number (2183004).

Almost surely, 2^16330387 is an apocalyptic number.

16330387 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

16330387 is a deficient number, since it is larger than the sum of its proper divisors (1133645).

16330387 is a wasteful number, since it uses less digits than its factorization.

16330387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9629.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 16330387 is about 4041.0873536710. The cubic root of 16330387 is about 253.7068299973.

The spelling of 16330387 in words is "sixteen million, three hundred thirty thousand, three hundred eighty-seven".