8500168426 has 4 divisors (see below), whose sum is σ = 12750252642. Its totient is φ = 4250084212.

The previous prime is 8500168423. The next prime is 8500168427. The reversal of 8500168426 is 6248610058.

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., 7813676025 + 686492401 = 88395^2 + 26201^2 .

It is not an unprimeable number, because it can be changed into a prime (8500168423) 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 as a sum of consecutive naturals, namely, 2125042105 + ... + 2125042108.

Almost surely, 2^8500168426 is an apocalyptic number.

8500168426 is a deficient number, since it is larger than the sum of its proper divisors (4250084216).

8500168426 is a wasteful number, since it uses less digits than its factorization.

8500168426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4250084215.

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 8500168426 is about 92196.3579866363. The cubic root of 8500168426 is about 2040.8410304156.

The spelling of 8500168426 in words is "eight billion, five hundred million, one hundred sixty-eight thousand, four hundred twenty-six".