16230971 has 4 divisors (see below), whose sum is σ = 17185752. Its totient is φ = 15276192.

The previous prime is 16230961. The next prime is 16230979. The reversal of 16230971 is 17903261.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16230971 - 2¹⁰ = 16229947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16230979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 477365 + ... + 477398.

It is an arithmetic number, because the mean of its divisors is an integer number (4296438).

Almost surely, 2^16230971 is an apocalyptic number.

16230971 is a deficient number, since it is larger than the sum of its proper divisors (954781).

16230971 is an equidigital number, since it uses as much as digits as its factorization.

16230971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954780.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 16230971 is about 4028.7679258056. The cubic root of 16230971 is about 253.1909435669.

The spelling of 16230971 in words is "sixteen million, two hundred thirty thousand, nine hundred seventy-one".