163867609627 has 4 divisors (see below), whose sum is σ = 172492220680. Its totient is φ = 155242998576.

The previous prime is 163867609621. The next prime is 163867609639. The reversal of 163867609627 is 726906768361.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163867609627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163867609621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4312305498 + ... + 4312305535.

It is an arithmetic number, because the mean of its divisors is an integer number (43123055170).

Almost surely, 2^163867609627 is an apocalyptic number.

163867609627 is a deficient number, since it is larger than the sum of its proper divisors (8624611053).

163867609627 is an equidigital number, since it uses as much as digits as its factorization.

163867609627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8624611052.

The product of its (nonzero) digits is 27433728, while the sum is 61.

The spelling of 163867609627 in words is "one hundred sixty-three billion, eight hundred sixty-seven million, six hundred nine thousand, six hundred twenty-seven".