16001369 has 8 divisors (see below), whose sum is σ = 16978248. Its totient is φ = 15028480.

The previous prime is 16001351. The next prime is 16001383. The reversal of 16001369 is 96310061.

16001369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 7907344 + 8094025 = 2812^2 + 2845^2 .

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 16001369 - 2⁸ = 16001113 is a prime.

It is a super-2 number, since 2×16001369² = 512087619748322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16001269) 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, 12959 + ... + 14139.

It is an arithmetic number, because the mean of its divisors is an integer number (2122281).

Almost surely, 2^16001369 is an apocalyptic number.

It is an amenable number.

16001369 is a deficient number, since it is larger than the sum of its proper divisors (976879).

16001369 is a wasteful number, since it uses less digits than its factorization.

16001369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1995.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 16001369 is about 4000.1711213397. The cubic root of 16001369 is about 251.9913965737.

It can be divided in two parts, 1600 and 1369, that multiplied together give a square (2190400 = 1480²).

The spelling of 16001369 in words is "sixteen million, one thousand, three hundred sixty-nine".