16066945 has 8 divisors (see below), whose sum is σ = 19552320. Its totient is φ = 12672240.

The previous prime is 16066943. The next prime is 16067033. The reversal of 16066945 is 54966061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16066945 - 2¹ = 16066943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16066943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22275 + ... + 22984.

It is an arithmetic number, because the mean of its divisors is an integer number (2444040).

Almost surely, 2^16066945 is an apocalyptic number.

It is an amenable number.

16066945 is a deficient number, since it is larger than the sum of its proper divisors (3485375).

16066945 is an equidigital number, since it uses as much as digits as its factorization.

16066945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45335.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 16066945 is about 4008.3593900747. The cubic root of 16066945 is about 252.3351601951.

The spelling of 16066945 in words is "sixteen million, sixty-six thousand, nine hundred forty-five".