671555116292 has 24 divisors (see below), whose sum is σ = 1204003046400. Its totient is φ = 327573088416.

The previous prime is 671555116291. The next prime is 671555116301. The reversal of 671555116292 is 292611555176.

It is a self number, because there is not a number n which added to its sum of digits gives 671555116292.

It is not an unprimeable number, because it can be changed into a prime (671555116291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2212292 + ... + 2497467.

It is an arithmetic number, because the mean of its divisors is an integer number (50166793600).

Almost surely, 2^671555116292 is an apocalyptic number.

It is an amenable number.

671555116292 is a deficient number, since it is larger than the sum of its proper divisors (532447930108).

671555116292 is a wasteful number, since it uses less digits than its factorization.

671555116292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4710635 (or 4710633 counting only the distinct ones).

The product of its digits is 1134000, while the sum is 50.

The spelling of 671555116292 in words is "six hundred seventy-one billion, five hundred fifty-five million, one hundred sixteen thousand, two hundred ninety-two".