671116052586 has 48 divisors (see below), whose sum is σ = 1629521557056. Its totient is φ = 180468178944.

The previous prime is 671116052531. The next prime is 671116052597. The reversal of 671116052586 is 685250611176.

It is a super-2 number, since 2×671116052586² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27633111 + ... + 27657386.

It is an arithmetic number, because the mean of its divisors is an integer number (33948365772).

Almost surely, 2^671116052586 is an apocalyptic number.

671116052586 is an abundant number, since it is smaller than the sum of its proper divisors (958405504470).

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

671116052586 is a wasteful number, since it uses less digits than its factorization.

671116052586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55290543 (or 55290526 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 48.

The spelling of 671116052586 in words is "six hundred seventy-one billion, one hundred sixteen million, fifty-two thousand, five hundred eighty-six".