6171678140 has 12 divisors (see below), whose sum is σ = 12960524136. Its totient is φ = 2468671248.

The previous prime is 6171678131. The next prime is 6171678199. The reversal of 6171678140 is 418761716.

It is a super-2 number, since 2×6171678140² = 76179222127507719200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154291934 + ... + 154291973.

It is an arithmetic number, because the mean of its divisors is an integer number (1080043678).

Almost surely, 2^6171678140 is an apocalyptic number.

It is an amenable number.

6171678140 is an abundant number, since it is smaller than the sum of its proper divisors (6788845996).

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

6171678140 is a wasteful number, since it uses less digits than its factorization.

6171678140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308583916 (or 308583914 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 41.

The square root of 6171678140 is about 78560.0288951067. The cubic root of 6171678140 is about 1834.2889775498.

The spelling of 6171678140 in words is "six billion, one hundred seventy-one million, six hundred seventy-eight thousand, one hundred forty".