163660713627 has 4 divisors (see below), whose sum is σ = 218214284840. Its totient is φ = 109107142416.

The previous prime is 163660713581. The next prime is 163660713679. The reversal of 163660713627 is 726317066361.

163660713627 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 163660713627 - 2⁸ = 163660713371 is a prime.

It is a super-3 number, since 3×163660713627³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163660713127) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 27276785602 + ... + 27276785607.

It is an arithmetic number, because the mean of its divisors is an integer number (54553571210).

Almost surely, 2^163660713627 is an apocalyptic number.

163660713627 is a deficient number, since it is larger than the sum of its proper divisors (54553571213).

163660713627 is an equidigital number, since it uses as much as digits as its factorization.

163660713627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54553571212.

The product of its (nonzero) digits is 1143072, while the sum is 48.

Adding to 163660713627 its reverse (726317066361), we get a palindrome (889977779988).

The spelling of 163660713627 in words is "one hundred sixty-three billion, six hundred sixty million, seven hundred thirteen thousand, six hundred twenty-seven".