6166656571020 has 48 divisors (see below), whose sum is σ = 18836332800768. Its totient is φ = 1494947047360.

The previous prime is 6166656570889. The next prime is 6166656571079. The reversal of 6166656571020 is 201756566616.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4671708864 + ... + 4671710183.

It is an arithmetic number, because the mean of its divisors is an integer number (392423600016).

Almost surely, 2^{6166656571020} is an apocalyptic number.

6166656571020 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6166656571020 is an abundant number, since it is smaller than the sum of its proper divisors (12669676229748).

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

6166656571020 is a wasteful number, since it uses less digits than its factorization.

6166656571020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9343419070 (or 9343419068 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 51.

The spelling of 6166656571020 in words is "six trillion, one hundred sixty-six billion, six hundred fifty-six million, five hundred seventy-one thousand, twenty".