671632080843 has 16 divisors (see below), whose sum is σ = 898564659200. Its totient is φ = 446229224640.

The previous prime is 671632080761. The next prime is 671632080923. The reversal of 671632080843 is 348080236176.

671632080843 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 671632080843 - 2¹³ = 671632072651 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 671632080792 and 671632080801.

It is not an unprimeable number, because it can be changed into a prime (671632080443) 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, 1011438 + ... + 1538268.

It is an arithmetic number, because the mean of its divisors is an integer number (56160291200).

Almost surely, 2^671632080843 is an apocalyptic number.

671632080843 is a deficient number, since it is larger than the sum of its proper divisors (226932578357).

671632080843 is a wasteful number, since it uses less digits than its factorization.

671632080843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528282.

The product of its (nonzero) digits is 1161216, while the sum is 48.

The spelling of 671632080843 in words is "six hundred seventy-one billion, six hundred thirty-two million, eighty thousand, eight hundred forty-three".