2167572172159 has 4 divisors (see below), whose sum is σ = 2167668922320. Its totient is φ = 2167475422000.

The previous prime is 2167572172141. The next prime is 2167572172169. The reversal of 2167572172159 is 9512712757612.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2167572172159 - 2²¹ = 2167570075007 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 (2167572172169) 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, 48341467 + ... + 48386284.

It is an arithmetic number, because the mean of its divisors is an integer number (541917230580).

Almost surely, 2^{2167572172159} is an apocalyptic number.

2167572172159 is a deficient number, since it is larger than the sum of its proper divisors (96750161).

2167572172159 is an equidigital number, since it uses as much as digits as its factorization.

2167572172159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96750160.

The product of its digits is 3704400, while the sum is 55.

The spelling of 2167572172159 in words is "two trillion, one hundred sixty-seven billion, five hundred seventy-two million, one hundred seventy-two thousand, one hundred fifty-nine".