2167242172063 has 16 divisors (see below), whose sum is σ = 2304467941600. Its totient is φ = 2032368952320.

The previous prime is 2167242172037. The next prime is 2167242172127. The reversal of 2167242172063 is 3602712427612.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2167242172063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2167242172013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1632823 + ... + 2645863.

It is an arithmetic number, because the mean of its divisors is an integer number (144029246350).

Almost surely, 2^{2167242172063} is an apocalyptic number.

2167242172063 is a deficient number, since it is larger than the sum of its proper divisors (137225769537).

2167242172063 is a wasteful number, since it uses less digits than its factorization.

2167242172063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014202.

The product of its (nonzero) digits is 338688, while the sum is 43.

Adding to 2167242172063 its reverse (3602712427612), we get a palindrome (5769954599675).

The spelling of 2167242172063 in words is "two trillion, one hundred sixty-seven billion, two hundred forty-two million, one hundred seventy-two thousand, sixty-three".