533165665 has 8 divisors (see below), whose sum is σ = 643724928. Its totient is φ = 423915120.

The previous prime is 533165663. The next prime is 533165687. The reversal of 533165665 is 566561335.

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

It is not a de Polignac number, because 533165665 - 2¹ = 533165663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (533165663) 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, 326281 + ... + 327910.

It is an arithmetic number, because the mean of its divisors is an integer number (80465616).

Almost surely, 2^533165665 is an apocalyptic number.

It is an amenable number.

533165665 is a deficient number, since it is larger than the sum of its proper divisors (110559263).

533165665 is a wasteful number, since it uses less digits than its factorization.

533165665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654359.

The product of its digits is 243000, while the sum is 40.

The square root of 533165665 is about 23090.3803563302. The cubic root of 533165665 is about 810.8752744467.

The spelling of 533165665 in words is "five hundred thirty-three million, one hundred sixty-five thousand, six hundred sixty-five".