16066271 has 4 divisors (see below), whose sum is σ = 17302152. Its totient is φ = 14830392.

The previous prime is 16066199. The next prime is 16066279. The reversal of 16066271 is 17266061.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16066271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16066279) 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, 617921 + ... + 617946.

It is an arithmetic number, because the mean of its divisors is an integer number (4325538).

Almost surely, 2^16066271 is an apocalyptic number.

16066271 is a deficient number, since it is larger than the sum of its proper divisors (1235881).

16066271 is a wasteful number, since it uses less digits than its factorization.

16066271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235880.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 16066271 is about 4008.2753148954. The cubic root of 16066271 is about 252.3316317028.

The spelling of 16066271 in words is "sixteen million, sixty-six thousand, two hundred seventy-one".