126427164159 has 4 divisors (see below), whose sum is σ = 168569552216. Its totient is φ = 84284776104.

The previous prime is 126427164137. The next prime is 126427164163. The reversal of 126427164159 is 951461724621.

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

It is not a de Polignac number, because 126427164159 - 2¹¹ = 126427162111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126427164109) 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, 21071194024 + ... + 21071194029.

It is an arithmetic number, because the mean of its divisors is an integer number (42142388054).

Almost surely, 2^126427164159 is an apocalyptic number.

126427164159 is a deficient number, since it is larger than the sum of its proper divisors (42142388057).

126427164159 is an equidigital number, since it uses as much as digits as its factorization.

126427164159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42142388056.

The product of its digits is 725760, while the sum is 48.

The spelling of 126427164159 in words is "one hundred twenty-six billion, four hundred twenty-seven million, one hundred sixty-four thousand, one hundred fifty-nine".