634163616366 has 16 divisors (see below), whose sum is σ = 1449516837504. Its totient is φ = 181189604664.

The previous prime is 634163616337. The next prime is 634163616367. The reversal of 634163616366 is 663616361436.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634163616367) 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, 7549566820 + ... + 7549566903.

It is an arithmetic number, because the mean of its divisors is an integer number (90594802344).

Almost surely, 2^634163616366 is an apocalyptic number.

634163616366 is an abundant number, since it is smaller than the sum of its proper divisors (815353221138).

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

634163616366 is a wasteful number, since it uses less digits than its factorization.

634163616366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15099133735.

The product of its digits is 5038848, while the sum is 51.

The spelling of 634163616366 in words is "six hundred thirty-four billion, one hundred sixty-three million, six hundred sixteen thousand, three hundred sixty-six".