663512474 has 8 divisors (see below), whose sum is σ = 995479200. Its totient is φ = 331686076.

The previous prime is 663512467. The next prime is 663512477. The reversal of 663512474 is 474215366.

It is a happy number.

663512474 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (663512477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22334 + ... + 42729.

It is an arithmetic number, because the mean of its divisors is an integer number (124434900).

Almost surely, 2^663512474 is an apocalyptic number.

663512474 is a deficient number, since it is larger than the sum of its proper divisors (331966726).

663512474 is a wasteful number, since it uses less digits than its factorization.

663512474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70164.

The product of its digits is 120960, while the sum is 38.

The square root of 663512474 is about 25758.7358773679. The cubic root of 663512474 is about 872.2005656612.

The spelling of 663512474 in words is "six hundred sixty-three million, five hundred twelve thousand, four hundred seventy-four".