16143401 has 8 divisors (see below), whose sum is σ = 17426880. Its totient is φ = 14908432.

The previous prime is 16143397. The next prime is 16143427. The reversal of 16143401 is 10434161.

16143401 is digitally balanced in base 2, because in such base 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 16143401 - 2² = 16143397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16143431) 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, 11435 + ... + 12768.

It is an arithmetic number, because the mean of its divisors is an integer number (2178360).

Almost surely, 2^16143401 is an apocalyptic number.

It is an amenable number.

16143401 is a deficient number, since it is larger than the sum of its proper divisors (1283479).

16143401 is a wasteful number, since it uses less digits than its factorization.

16143401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24255.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 16143401 is about 4017.8851402199. The cubic root of 16143401 is about 252.7347801580.

Adding to 16143401 its reverse (10434161), we get a palindrome (26577562).

The spelling of 16143401 in words is "sixteen million, one hundred forty-three thousand, four hundred one".