663367070 has 16 divisors (see below), whose sum is σ = 1213636608. Its totient is φ = 260996640.

The previous prime is 663367049. The next prime is 663367073. The reversal of 663367070 is 70763366.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663367073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 543134 + ... + 544353.

It is an arithmetic number, because the mean of its divisors is an integer number (75852288).

Almost surely, 2^663367070 is an apocalyptic number.

663367070 is a deficient number, since it is larger than the sum of its proper divisors (550269538).

663367070 is a wasteful number, since it uses less digits than its factorization.

663367070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087555.

The product of its (nonzero) digits is 95256, while the sum is 38.

The square root of 663367070 is about 25755.9133016090. The cubic root of 663367070 is about 872.1368488404.

The spelling of 663367070 in words is "six hundred sixty-three million, three hundred sixty-seven thousand, seventy".