671520832655 has 8 divisors (see below), whose sum is σ = 814879213200. Its totient is φ = 531180523456.

The previous prime is 671520832601. The next prime is 671520832657. The reversal of 671520832655 is 556238025176.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 671520832655 - 2¹⁴ = 671520816271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671520832657) 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, 754517345 + ... + 754518234.

It is an arithmetic number, because the mean of its divisors is an integer number (101859901650).

Almost surely, 2^671520832655 is an apocalyptic number.

671520832655 is a deficient number, since it is larger than the sum of its proper divisors (143358380545).

671520832655 is a wasteful number, since it uses less digits than its factorization.

671520832655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1509035673.

The product of its (nonzero) digits is 3024000, while the sum is 50.

The spelling of 671520832655 in words is "six hundred seventy-one billion, five hundred twenty million, eight hundred thirty-two thousand, six hundred fifty-five".