163042350626 has 4 divisors (see below), whose sum is σ = 244563525942. Its totient is φ = 81521175312.

The previous prime is 163042350623. The next prime is 163042350637. The reversal of 163042350626 is 626053240361.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 155421235225 + 7621115401 = 394235^2 + 87299^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 163042350626.

It is not an unprimeable number, because it can be changed into a prime (163042350623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40760587655 + ... + 40760587658.

Almost surely, 2^163042350626 is an apocalyptic number.

163042350626 is a deficient number, since it is larger than the sum of its proper divisors (81521175316).

163042350626 is an equidigital number, since it uses as much as digits as its factorization.

163042350626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81521175315.

The product of its (nonzero) digits is 155520, while the sum is 38.

Adding to 163042350626 its reverse (626053240361), we get a palindrome (789095590987).

The spelling of 163042350626 in words is "one hundred sixty-three billion, forty-two million, three hundred fifty thousand, six hundred twenty-six".