16073966 has 4 divisors (see below), whose sum is σ = 24110952. Its totient is φ = 8036982.

The previous prime is 16073963. The next prime is 16073983. The reversal of 16073966 is 66937061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66937061 = 23 ⋅2910307.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16073963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4018490 + ... + 4018493.

It is an arithmetic number, because the mean of its divisors is an integer number (6027738).

Almost surely, 2^16073966 is an apocalyptic number.

16073966 is a deficient number, since it is larger than the sum of its proper divisors (8036986).

16073966 is an equidigital number, since it uses as much as digits as its factorization.

16073966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8036985.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 16073966 is about 4009.2350891411. The cubic root of 16073966 is about 252.3719103295.

The spelling of 16073966 in words is "sixteen million, seventy-three thousand, nine hundred sixty-six".