663562265366 has 64 divisors (see below), whose sum is σ = 1337130740736. Its totient is φ = 238514198400.

The previous prime is 663562265351. The next prime is 663562265407.

663562265366 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×663562265366² (a number of 24 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 31 ways as a sum of consecutive naturals, for example, 3636671 + ... + 3814773.

It is an arithmetic number, because the mean of its divisors is an integer number (20892667824).

Almost surely, 2^663562265366 is an apocalyptic number.

663562265366 is an abundant number, since it is smaller than the sum of its proper divisors (673568475370).

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

663562265366 is a wasteful number, since it uses less digits than its factorization.

663562265366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179997.

The product of its digits is 41990400, while the sum is 56.

The spelling of 663562265366 in words is "six hundred sixty-three billion, five hundred sixty-two million, two hundred sixty-five thousand, three hundred sixty-six".