671116667054 has 16 divisors (see below), whose sum is σ = 1007945418480. Its totient is φ = 335135067840.

The previous prime is 671116667047. The next prime is 671116667113. The reversal of 671116667054 is 450766611176.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 671116666993 and 671116667011.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6712874 + ... + 6812114.

It is an arithmetic number, because the mean of its divisors is an integer number (62996588655).

Almost surely, 2^671116667054 is an apocalyptic number.

671116667054 is a deficient number, since it is larger than the sum of its proper divisors (336828751426).

671116667054 is a wasteful number, since it uses less digits than its factorization.

671116667054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103475.

The product of its (nonzero) digits is 1270080, while the sum is 50.

The spelling of 671116667054 in words is "six hundred seventy-one billion, one hundred sixteen million, six hundred sixty-seven thousand, fifty-four".