663167863610 has 96 divisors (see below), whose sum is σ = 1451054037888. Its totient is φ = 213723325440.

The previous prime is 663167863609. The next prime is 663167863613. The reversal of 663167863610 is 16368761366.

It is a happy 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 47 ways as a sum of consecutive naturals, for example, 16102745 + ... + 16143875.

It is an arithmetic number, because the mean of its divisors is an integer number (15115146228).

Almost surely, 2^663167863610 is an apocalyptic number.

663167863610 is an abundant number, since it is smaller than the sum of its proper divisors (787886174278).

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

663167863610 is a wasteful number, since it uses less digits than its factorization.

With its successor (663167863611) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (41976).

663167863610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41976 (or 41959 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 53.

The spelling of 663167863610 in words is "six hundred sixty-three billion, one hundred sixty-seven million, eight hundred sixty-three thousand, six hundred ten".