663153453 has 8 divisors (see below), whose sum is σ = 982449600. Its totient is φ = 442102284.

The previous prime is 663153443. The next prime is 663153467. The reversal of 663153453 is 354351366.

It is not a de Polignac number, because 663153453 - 2¹⁶ = 663087917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663153433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12280593 + ... + 12280646.

It is an arithmetic number, because the mean of its divisors is an integer number (122806200).

Almost surely, 2^663153453 is an apocalyptic number.

It is an amenable number.

663153453 is a deficient number, since it is larger than the sum of its proper divisors (319296147).

663153453 is a wasteful number, since it uses less digits than its factorization.

663153453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24561248 (or 24561242 counting only the distinct ones).

The product of its digits is 97200, while the sum is 36.

The square root of 663153453 is about 25751.7660171104. The cubic root of 663153453 is about 872.0432238239.

The spelling of 663153453 in words is "six hundred sixty-three million, one hundred fifty-three thousand, four hundred fifty-three".