6225177031986 has 96 divisors (see below), whose sum is σ = 14149907682624. Its totient is φ = 1823206105600.

The previous prime is 6225177031963. The next prime is 6225177032017. The reversal of 6225177031986 is 6891307715226.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 2207686 + ... + 4162238.

It is an arithmetic number, because the mean of its divisors is an integer number (147394871694).

Almost surely, 2^{6225177031986} is an apocalyptic number.

6225177031986 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 6225177031986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7074953841312).

6225177031986 is an abundant number, since it is smaller than the sum of its proper divisors (7924730650638).

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

6225177031986 is a wasteful number, since it uses less digits than its factorization.

6225177031986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1954728 (or 1954717 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 57.

The spelling of 6225177031986 in words is "six trillion, two hundred twenty-five billion, one hundred seventy-seven million, thirty-one thousand, nine hundred eighty-six".