16147001 has 16 divisors (see below), whose sum is σ = 18170880. Its totient is φ = 14247360.

The previous prime is 16146983. The next prime is 16147009. The reversal of 16147001 is 10074161.

It is a cyclic number.

It is not a de Polignac number, because 16147001 - 2¹⁴ = 16130617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16147009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41315 + ... + 41703.

It is an arithmetic number, because the mean of its divisors is an integer number (1135680).

Almost surely, 2^16147001 is an apocalyptic number.

It is an amenable number.

16147001 is a deficient number, since it is larger than the sum of its proper divisors (2023879).

16147001 is a wasteful number, since it uses less digits than its factorization.

16147001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 16147001 is about 4018.3331121250. Note that the first 3 decimals coincide. The cubic root of 16147001 is about 252.7535654930.

The spelling of 16147001 in words is "sixteen million, one hundred forty-seven thousand, one".