6181956312 has 32 divisors (see below), whose sum is σ = 17662732800. Its totient is φ = 1766273184.

The previous prime is 6181956251. The next prime is 6181956323. The reversal of 6181956312 is 2136591816.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18398512 + ... + 18398847.

It is an arithmetic number, because the mean of its divisors is an integer number (551960400).

Almost surely, 2^6181956312 is an apocalyptic number.

It is an amenable number.

6181956312 is an abundant number, since it is smaller than the sum of its proper divisors (11480776488).

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

6181956312 is a wasteful number, since it uses less digits than its factorization.

6181956312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36797375 (or 36797371 counting only the distinct ones).

The product of its digits is 77760, while the sum is 42.

The square root of 6181956312 is about 78625.4177222608. The cubic root of 6181956312 is about 1835.3066738172.

The spelling of 6181956312 in words is "six billion, one hundred eighty-one million, nine hundred fifty-six thousand, three hundred twelve".