665336053 has 8 divisors (see below), whose sum is σ = 700967520. Its totient is φ = 629766000.

The previous prime is 665336027. The next prime is 665336057. The reversal of 665336053 is 350633566.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-665336053 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 (665336057) 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, 7803 + ... + 37303.

It is an arithmetic number, because the mean of its divisors is an integer number (87620940).

Almost surely, 2^665336053 is an apocalyptic number.

It is an amenable number.

665336053 is a deficient number, since it is larger than the sum of its proper divisors (35631467).

665336053 is a wasteful number, since it uses less digits than its factorization.

665336053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30707.

The product of its (nonzero) digits is 145800, while the sum is 37.

The square root of 665336053 is about 25794.1088816807. The cubic root of 665336053 is about 872.9988785786.

The spelling of 665336053 in words is "six hundred sixty-five million, three hundred thirty-six thousand, fifty-three".