663071290 has 16 divisors (see below), whose sum is σ = 1364032512. Its totient is φ = 227338704.

The previous prime is 663071273. The next prime is 663071333. The reversal of 663071290 is 92170366.

663071290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 4736154 + ... + 4736293.

It is an arithmetic number, because the mean of its divisors is an integer number (85252032).

Almost surely, 2^663071290 is an apocalyptic number.

663071290 is an abundant number, since it is smaller than the sum of its proper divisors (700961222).

663071290 is a wasteful number, since it uses less digits than its factorization.

663071290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9472461.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 663071290 is about 25750.1706790460. The cubic root of 663071290 is about 872.0072077021.

The spelling of 663071290 in words is "six hundred sixty-three million, seventy-one thousand, two hundred ninety".