70321340163 has 4 divisors (see below), whose sum is σ = 93761786888. Its totient is φ = 46880893440.

The previous prime is 70321340161. The next prime is 70321340189. The reversal of 70321340163 is 36104312307.

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

It is not a de Polignac number, because 70321340163 - 2¹ = 70321340161 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70321340163.

It is not an unprimeable number, because it can be changed into a prime (70321340161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11720223358 + ... + 11720223363.

It is an arithmetic number, because the mean of its divisors is an integer number (23440446722).

Almost surely, 2^70321340163 is an apocalyptic number.

70321340163 is a deficient number, since it is larger than the sum of its proper divisors (23440446725).

70321340163 is a wasteful number, since it uses less digits than its factorization.

70321340163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23440446724.

The product of its (nonzero) digits is 9072, while the sum is 30.

The spelling of 70321340163 in words is "seventy billion, three hundred twenty-one million, three hundred forty thousand, one hundred sixty-three".