671529867603 has 16 divisors (see below), whose sum is σ = 1023296171520. Its totient is φ = 383726641536.

The previous prime is 671529867577. The next prime is 671529867611. The reversal of 671529867603 is 306768925176.

It is not a de Polignac number, because 671529867603 - 2¹³ = 671529859411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (671529867803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2283051 + ... + 2560347.

It is an arithmetic number, because the mean of its divisors is an integer number (63956010720).

Almost surely, 2^671529867603 is an apocalyptic number.

671529867603 is a deficient number, since it is larger than the sum of its proper divisors (351766303917).

671529867603 is a wasteful number, since it uses less digits than its factorization.

671529867603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392626.

The product of its (nonzero) digits is 22861440, while the sum is 60.

The spelling of 671529867603 in words is "six hundred seventy-one billion, five hundred twenty-nine million, eight hundred sixty-seven thousand, six hundred three".