163660713630 has 32 divisors (see below), whose sum is σ = 413458646400. Its totient is φ = 41345864352.

The previous prime is 163660713581. The next prime is 163660713679. The reversal of 163660713630 is 36317066361.

163660713630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (163660713581) and next prime (163660713679).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143561460 + ... + 143562599.

It is an arithmetic number, because the mean of its divisors is an integer number (12920582700).

Almost surely, 2^163660713630 is an apocalyptic number.

163660713630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163660713630 is an abundant number, since it is smaller than the sum of its proper divisors (249797932770).

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

163660713630 is a wasteful number, since it uses less digits than its factorization.

163660713630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287124088.

The product of its (nonzero) digits is 244944, while the sum is 42.

Adding to 163660713630 its reverse (36317066361), we get a palindrome (199977779991).

The spelling of 163660713630 in words is "one hundred sixty-three billion, six hundred sixty million, seven hundred thirteen thousand, six hundred thirty".