167381607563 has 8 divisors (see below), whose sum is σ = 167803287120. Its totient is φ = 166960034560.

The previous prime is 167381607527. The next prime is 167381607587. The reversal of 167381607563 is 365706183761.

167381607563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-167381607563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (167381607593) 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 7 ways as a sum of consecutive naturals, for example, 3806543 + ... + 3850263.

It is an arithmetic number, because the mean of its divisors is an integer number (20975410890).

Almost surely, 2^167381607563 is an apocalyptic number.

167381607563 is a deficient number, since it is larger than the sum of its proper divisors (421679557).

167381607563 is an equidigital number, since it uses as much as digits as its factorization.

167381607563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53277.

The product of its (nonzero) digits is 3810240, while the sum is 53.

The spelling of 167381607563 in words is "one hundred sixty-seven billion, three hundred eighty-one million, six hundred seven thousand, five hundred sixty-three".