663167863612 has 12 divisors (see below), whose sum is σ = 1160721070600. Its totient is φ = 331533272016.

The previous prime is 663167863609. The next prime is 663167863613. The reversal of 663167863612 is 216368761366.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a pancake number, because a pancake can be divided into 663167863612 parts by 1151666 straight cuts.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663167863613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12635487 + ... + 12687862.

Almost surely, 2^663167863612 is an apocalyptic number.

It is an amenable number.

663167863612 is a deficient number, since it is larger than the sum of its proper divisors (497553206988).

663167863612 is a wasteful number, since it uses less digits than its factorization.

663167863612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25329900 (or 25329898 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 55.

The spelling of 663167863612 in words is "six hundred sixty-three billion, one hundred sixty-seven million, eight hundred sixty-three thousand, six hundred twelve".