671072164363326 has 32 divisors (see below), whose sum is σ = 1471515024672000. Its totient is φ = 202333315884480.

The previous prime is 671072164363313. The next prime is 671072164363351. The reversal of 671072164363326 is 623363461270176.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25547122711 + ... + 25547148978.

It is an arithmetic number, because the mean of its divisors is an integer number (45984844521000).

Almost surely, 2^{671072164363326} is an apocalyptic number.

671072164363326 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

671072164363326 is an abundant number, since it is smaller than the sum of its proper divisors (800442860308674).

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

671072164363326 is a wasteful number, since it uses less digits than its factorization.

671072164363326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51094271904.

The product of its (nonzero) digits is 27433728, while the sum is 57.

The spelling of 671072164363326 in words is "six hundred seventy-one trillion, seventy-two billion, one hundred sixty-four million, three hundred sixty-three thousand, three hundred twenty-six".