16385601 has 8 divisors (see below), whose sum is σ = 21939840. Its totient is φ = 10877552.

The previous prime is 16385599. The next prime is 16385617. The reversal of 16385601 is 10658361.

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 16385601 - 2¹ = 16385599 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16385651) 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, 10710 + ... + 12143.

It is an arithmetic number, because the mean of its divisors is an integer number (2742480).

Almost surely, 2^16385601 is an apocalyptic number.

It is an amenable number.

16385601 is a deficient number, since it is larger than the sum of its proper divisors (5554239).

16385601 is a wasteful number, since it uses less digits than its factorization.

16385601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23095.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 16385601 is about 4047.9131660647. The cubic root of 16385601 is about 253.9924409266.

It can be divided in two parts, 16 and 385601, that multiplied together give a palindrome (6169616).

The spelling of 16385601 in words is "sixteen million, three hundred eighty-five thousand, six hundred one".