16128201 has 8 divisors (see below), whose sum is σ = 21540384. Its totient is φ = 10734080.

The previous prime is 16128197. The next prime is 16128227. The reversal of 16128201 is 10282161.

16128201 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 a cyclic number.

It is not a de Polignac number, because 16128201 - 2² = 16128197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16128001) 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, 2271 + ... + 6116.

It is an arithmetic number, because the mean of its divisors is an integer number (2692548).

Almost surely, 2^16128201 is an apocalyptic number.

It is an amenable number.

16128201 is a deficient number, since it is larger than the sum of its proper divisors (5412183).

16128201 is an equidigital number, since it uses as much as digits as its factorization.

16128201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9031.

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 16128201 is about 4015.9931523846. The cubic root of 16128201 is about 252.6554334954.

The spelling of 16128201 in words is "sixteen million, one hundred twenty-eight thousand, two hundred one".