66160933 has 4 divisors (see below), whose sum is σ = 66493600. Its totient is φ = 65828268.

The previous prime is 66160931. The next prime is 66160937. The reversal of 66160933 is 33906166.

It is a happy number.

66160933 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 66160933 - 2¹ = 66160931 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 (66160931) 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 3 ways as a sum of consecutive naturals, for example, 166035 + ... + 166432.

It is an arithmetic number, because the mean of its divisors is an integer number (16623400).

Almost surely, 2^66160933 is an apocalyptic number.

It is an amenable number.

66160933 is a deficient number, since it is larger than the sum of its proper divisors (332667).

66160933 is a wasteful number, since it uses less digits than its factorization.

66160933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332666.

The product of its (nonzero) digits is 17496, while the sum is 34.

The square root of 66160933 is about 8133.9371155671. The cubic root of 66160933 is about 404.4522045773.

The spelling of 66160933 in words is "sixty-six million, one hundred sixty thousand, nine hundred thirty-three".