16032201 has 8 divisors (see below), whose sum is σ = 21438240. Its totient is φ = 10657152.

The previous prime is 16032199. The next prime is 16032209. The reversal of 16032201 is 10223061.

16032201 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 16032201 - 2¹ = 16032199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16032209) 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, 6511 + ... + 8628.

It is an arithmetic number, because the mean of its divisors is an integer number (2679780).

Almost surely, 2^16032201 is an apocalyptic number.

It is an amenable number.

16032201 is a deficient number, since it is larger than the sum of its proper divisors (5406039).

16032201 is a wasteful number, since it uses less digits than its factorization.

16032201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15495.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 16032201 is about 4004.0231018315. The cubic root of 16032201 is about 252.1531413585.

Adding to 16032201 its reverse (10223061), we get a palindrome (26255262).

The spelling of 16032201 in words is "sixteen million, thirty-two thousand, two hundred one".