16201385 has 16 divisors (see below), whose sum is σ = 19853184. Its totient is φ = 12690432.

The previous prime is 16201379. The next prime is 16201387. The reversal of 16201385 is 58310261.

It is a cyclic number.

It is not a de Polignac number, because 16201385 - 2⁶ = 16201321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16201387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83849 + ... + 84041.

It is an arithmetic number, because the mean of its divisors is an integer number (1240824).

Almost surely, 2^16201385 is an apocalyptic number.

It is an amenable number.

16201385 is a deficient number, since it is larger than the sum of its proper divisors (3651799).

16201385 is a wasteful number, since it uses less digits than its factorization.

16201385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 16201385 is about 4025.0944088307. The cubic root of 16201385 is about 253.0370102137.

The spelling of 16201385 in words is "sixteen million, two hundred one thousand, three hundred eighty-five".