320663053 has 8 divisors (see below), whose sum is σ = 334913760. Its totient is φ = 306706320.

The previous prime is 320663041. The next prime is 320663069. The reversal of 320663053 is 350366023.

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

It is not a de Polignac number, because 320663053 - 2¹³ = 320654861 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 (320661053) 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, 71263 + ... + 75628.

It is an arithmetic number, because the mean of its divisors is an integer number (41864220).

Almost surely, 2^320663053 is an apocalyptic number.

It is an amenable number.

320663053 is a deficient number, since it is larger than the sum of its proper divisors (14250707).

320663053 is a wasteful number, since it uses less digits than its factorization.

320663053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146987.

The product of its (nonzero) digits is 9720, while the sum is 28.

The square root of 320663053 is about 17907.0671244623. The cubic root of 320663053 is about 684.4624713728.

The spelling of 320663053 in words is "three hundred twenty million, six hundred sixty-three thousand, fifty-three".