663758053 has 8 divisors (see below), whose sum is σ = 758870208. Its totient is φ = 568718304.

The previous prime is 663758021. The next prime is 663758077. The reversal of 663758053 is 350857366.

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

It is not a de Polignac number, because 663758053 - 2⁵ = 663758021 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 (663758093) 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 7 ways as a sum of consecutive naturals, for example, 3225 + ... + 36577.

It is an arithmetic number, because the mean of its divisors is an integer number (94858776).

Almost surely, 2^663758053 is an apocalyptic number.

It is an amenable number.

663758053 is a deficient number, since it is larger than the sum of its proper divisors (95112155).

663758053 is a wasteful number, since it uses less digits than its factorization.

663758053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36203.

The product of its (nonzero) digits is 453600, while the sum is 43.

The square root of 663758053 is about 25763.5023434315. The cubic root of 663758053 is about 872.3081585755.

The spelling of 663758053 in words is "six hundred sixty-three million, seven hundred fifty-eight thousand, fifty-three".