6181958486 has 12 divisors (see below), whose sum is σ = 10192568316. Its totient is φ = 2809981020.

The previous prime is 6181958437. The next prime is 6181958509. The reversal of 6181958486 is 6848591816.

It is a super-2 number, since 2×6181958486² = 76433221445254824392, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12772400 + ... + 12772883.

It is an arithmetic number, because the mean of its divisors is an integer number (849380693).

Almost surely, 2^6181958486 is an apocalyptic number.

6181958486 is a deficient number, since it is larger than the sum of its proper divisors (4010609830).

6181958486 is a wasteful number, since it uses less digits than its factorization.

6181958486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25545307 (or 25545296 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 56.

The square root of 6181958486 is about 78625.4315473054. The cubic root of 6181958486 is about 1835.3068889571.

The spelling of 6181958486 in words is "six billion, one hundred eighty-one million, nine hundred fifty-eight thousand, four hundred eighty-six".