68163135050 has 12 divisors (see below), whose sum is σ = 126783431286. Its totient is φ = 27265254000.

The previous prime is 68163134989. The next prime is 68163135059. The reversal of 68163135050 is 5053136186.

It can be written as a sum of positive squares in 3 ways, for example, as 43831190881 + 24331944169 = 209359^2 + 155987^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 68163134995 and 68163135013.

It is not an unprimeable number, because it can be changed into a prime (68163135059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 681631301 + ... + 681631400.

Almost surely, 2^68163135050 is an apocalyptic number.

68163135050 is a deficient number, since it is larger than the sum of its proper divisors (58620296236).

68163135050 is a wasteful number, since it uses less digits than its factorization.

68163135050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363262713 (or 1363262708 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 68163135050 in words is "sixty-eight billion, one hundred sixty-three million, one hundred thirty-five thousand, fifty".