2132656671 has 4 divisors (see below), whose sum is σ = 2843542232. Its totient is φ = 1421771112.

The previous prime is 2132656627. The next prime is 2132656679. The reversal of 2132656671 is 1766562312.

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

It is not a de Polignac number, because 2132656671 - 2³⁰ = 1058914847 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 (2132656679) 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 in 3 ways as a sum of consecutive naturals, for example, 355442776 + ... + 355442781.

It is an arithmetic number, because the mean of its divisors is an integer number (710885558).

Almost surely, 2^2132656671 is an apocalyptic number.

2132656671 is a deficient number, since it is larger than the sum of its proper divisors (710885561).

2132656671 is an equidigital number, since it uses as much as digits as its factorization.

2132656671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710885560.

The product of its digits is 90720, while the sum is 39.

The square root of 2132656671 is about 46180.6958695947. The cubic root of 2132656671 is about 1287.1830587689.

The spelling of 2132656671 in words is "two billion, one hundred thirty-two million, six hundred fifty-six thousand, six hundred seventy-one".