663911060 has 24 divisors (see below), whose sum is σ = 1413853056. Its totient is φ = 261823520.

The previous prime is 663911057. The next prime is 663911111. The reversal of 663911060 is 60119366.

663911060 = T₄₂₈₉ + T₄₂₉₀ + ... + T₄₃₅₉.

663911060 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232352 + ... + 235191.

It is an arithmetic number, because the mean of its divisors is an integer number (58910544).

Almost surely, 2^663911060 is an apocalyptic number.

It is an amenable number.

663911060 is an abundant number, since it is smaller than the sum of its proper divisors (749941996).

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

663911060 is a wasteful number, since it uses less digits than its factorization.

663911060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467623 (or 467621 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 663911060 is about 25766.4716249625. The cubic root of 663911060 is about 872.3751804869.

The spelling of 663911060 in words is "six hundred sixty-three million, nine hundred eleven thousand, sixty".