663153452 has 12 divisors (see below), whose sum is σ = 1249789296. Its totient is φ = 306070800.

The previous prime is 663153443. The next prime is 663153467. The reversal of 663153452 is 254351366.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6376424 + ... + 6376527.

It is an arithmetic number, because the mean of its divisors is an integer number (104149108).

Almost surely, 2^663153452 is an apocalyptic number.

It is an amenable number.

663153452 is a deficient number, since it is larger than the sum of its proper divisors (586635844).

663153452 is a wasteful number, since it uses less digits than its factorization.

663153452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12752968 (or 12752966 counting only the distinct ones).

The product of its digits is 64800, while the sum is 35.

The square root of 663153452 is about 25751.7659976942. The cubic root of 663153452 is about 872.0432233856.

The spelling of 663153452 in words is "six hundred sixty-three million, one hundred fifty-three thousand, four hundred fifty-two".