671311206233670 has 32 divisors (see below), whose sum is σ = 1681196759960832. Its totient is φ = 171233003328992.

The previous prime is 671311206233653. The next prime is 671311206233671. The reversal of 671311206233670 is 76332602113176.

It is a super-2 number, since 2×671311206233670² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671311206233671) 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, 486457395132 + ... + 486457396511.

It is an arithmetic number, because the mean of its divisors is an integer number (52537398748776).

Almost surely, 2^{671311206233670} is an apocalyptic number.

671311206233670 is an abundant number, since it is smaller than the sum of its proper divisors (1009885553727162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

671311206233670 is a wasteful number, since it uses less digits than its factorization.

671311206233670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972914791676.

The product of its (nonzero) digits is 1143072, while the sum is 48.

The spelling of 671311206233670 in words is "six hundred seventy-one trillion, three hundred eleven billion, two hundred six million, two hundred thirty-three thousand, six hundred seventy".