5106811866 has 32 divisors (see below), whose sum is σ = 11646307008. Its totient is φ = 1478895360.

The previous prime is 5106811841. The next prime is 5106811889. The reversal of 5106811866 is 6681186015.

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, 1924320 + ... + 1926971.

It is an arithmetic number, because the mean of its divisors is an integer number (363947094).

Almost surely, 2^5106811866 is an apocalyptic number.

5106811866 is an abundant number, since it is smaller than the sum of its proper divisors (6539495142).

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

5106811866 is a wasteful number, since it uses less digits than its factorization.

5106811866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3851326.

The product of its (nonzero) digits is 69120, while the sum is 42.

The square root of 5106811866 is about 71461.9609722543. The cubic root of 5106811866 is about 1722.0666372440.

The spelling of 5106811866 in words is "five billion, one hundred six million, eight hundred eleven thousand, eight hundred sixty-six".