671576061276 has 72 divisors (see below), whose sum is σ = 1704444172704. Its totient is φ = 222956267520.

The previous prime is 671576061271. The next prime is 671576061311. The reversal of 671576061276 is 672160675176.

671576061276 is a `hidden beast` number, since 6 + 7 + 1 + 5 + 7 + 606 + 1 + 27 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671576061271) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22979065 + ... + 23008271.

It is an arithmetic number, because the mean of its divisors is an integer number (23672835732).

Almost surely, 2^671576061276 is an apocalyptic number.

It is an amenable number.

671576061276 is an abundant number, since it is smaller than the sum of its proper divisors (1032868111428).

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

671576061276 is a wasteful number, since it uses less digits than its factorization.

671576061276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31771 (or 31766 counting only the distinct ones).

The product of its (nonzero) digits is 4445280, while the sum is 54.

The spelling of 671576061276 in words is "six hundred seventy-one billion, five hundred seventy-six million, sixty-one thousand, two hundred seventy-six".