16385630 has 8 divisors (see below), whose sum is σ = 29494152. Its totient is φ = 6554248.

The previous prime is 16385617. The next prime is 16385647. The reversal of 16385630 is 3658361.

16385630 is nontrivially palindromic in base 14.

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

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 819272 + ... + 819291.

It is an arithmetic number, because the mean of its divisors is an integer number (3686769).

Almost surely, 2^16385630 is an apocalyptic number.

16385630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16385630 is a deficient number, since it is larger than the sum of its proper divisors (13108522).

16385630 is a wasteful number, since it uses less digits than its factorization.

16385630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1638570.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 16385630 is about 4047.9167481558. The cubic root of 16385630 is about 253.9925907691.

It can be divided in two parts, 163856 and 30, that multiplied together give a triangular number (4915680 = T₃₁₃₅).

The spelling of 16385630 in words is "sixteen million, three hundred eighty-five thousand, six hundred thirty".