663074496 has 168 divisors, whose sum is σ = 2218944000. Its totient is φ = 185366016.

The previous prime is 663074479. The next prime is 663074507. The reversal of 663074496 is 694470366.

663074496 is a `hidden beast` number, since 6 + 630 + 7 + 4 + 4 + 9 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (168).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 187755 + ... + 191253.

It is an arithmetic number, because the mean of its divisors is an integer number (13208000).

Almost surely, 2^663074496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 663074496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1109472000).

663074496 is an abundant number, since it is smaller than the sum of its proper divisors (1555869504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

663074496 is a wasteful number, since it uses less digits than its factorization.

663074496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3571 (or 3558 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 45.

The square root of 663074496 is about 25750.2329309853. The cubic root of 663074496 is about 872.0086131069.

The spelling of 663074496 in words is "six hundred sixty-three million, seventy-four thousand, four hundred ninety-six".