671085062585 has 16 divisors (see below), whose sum is σ = 920383516800. Its totient is φ = 460153470336.

The previous prime is 671085062567. The next prime is 671085062587. The reversal of 671085062585 is 585260580176.

It is a happy number.

It is not a de Polignac number, because 671085062585 - 2¹² = 671085058489 is a prime.

It is a super-2 number, since 2×671085062585² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (671085062587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 481886 + ... + 1254744.

It is an arithmetic number, because the mean of its divisors is an integer number (57523969800).

Almost surely, 2^671085062585 is an apocalyptic number.

It is an amenable number.

671085062585 is a deficient number, since it is larger than the sum of its proper divisors (249298454215).

671085062585 is a wasteful number, since it uses less digits than its factorization.

671085062585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797680.

The product of its (nonzero) digits is 4032000, while the sum is 53.

The spelling of 671085062585 in words is "six hundred seventy-one billion, eighty-five million, sixty-two thousand, five hundred eighty-five".