660161333 has 8 divisors (see below), whose sum is σ = 719509728. Its totient is φ = 602036784.

The previous prime is 660161329. The next prime is 660161347. The reversal of 660161333 is 333161066.

660161333 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 660161333 - 2² = 660161329 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 660161296 and 660161305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660161353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304835 + ... + 306992.

It is an arithmetic number, because the mean of its divisors is an integer number (89938716).

Almost surely, 2^660161333 is an apocalyptic number.

It is an amenable number.

660161333 is a deficient number, since it is larger than the sum of its proper divisors (59348395).

660161333 is a wasteful number, since it uses less digits than its factorization.

660161333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611923.

The product of its (nonzero) digits is 5832, while the sum is 29.

The square root of 660161333 is about 25693.6049047229. The cubic root of 660161333 is about 870.7297057575.

The spelling of 660161333 in words is "six hundred sixty million, one hundred sixty-one thousand, three hundred thirty-three".