6180177981 has 16 divisors (see below), whose sum is σ = 8376997248. Its totient is φ = 4052280000.

The previous prime is 6180177953. The next prime is 6180178001. The reversal of 6180177981 is 1897710816.

6180177981 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6180177981 - 2¹⁷ = 6180046909 is a prime.

It is a super-2 number, since 2×6180177981² = 76389199753674472722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6180177981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6180178981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21786 + ... + 113291.

It is an arithmetic number, because the mean of its divisors is an integer number (523562328).

Almost surely, 2^6180177981 is an apocalyptic number.

It is an amenable number.

6180177981 is a deficient number, since it is larger than the sum of its proper divisors (2196819267).

6180177981 is a wasteful number, since it uses less digits than its factorization.

6180177981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135332.

The product of its (nonzero) digits is 169344, while the sum is 48.

The square root of 6180177981 is about 78614.1080277580. The cubic root of 6180177981 is about 1835.1306725863.

The spelling of 6180177981 in words is "six billion, one hundred eighty million, one hundred seventy-seven thousand, nine hundred eighty-one".