663163505361366 has 16 divisors (see below), whose sum is σ = 1327197875488704. Its totient is φ = 220909357659464.

The previous prime is 663163505361337. The next prime is 663163505361377.

663163505361366 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×663163505361366² (a number of 30 digits) contains 22 as substring.

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, 36286022016 + ... + 36286040291.

It is an arithmetic number, because the mean of its divisors is an integer number (82949867218044).

Almost surely, 2^{663163505361366} is an apocalyptic number.

663163505361366 is an abundant number, since it is smaller than the sum of its proper divisors (664034370127338).

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

663163505361366 is a wasteful number, since it uses less digits than its factorization.

663163505361366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72572063835.

The product of its (nonzero) digits is 94478400, while the sum is 60.

The spelling of 663163505361366 in words is "six hundred sixty-three trillion, one hundred sixty-three billion, five hundred five million, three hundred sixty-one thousand, three hundred sixty-six".