6811366990 has 8 divisors (see below), whose sum is σ = 12260460600. Its totient is φ = 2724546792.

The previous prime is 6811366973. The next prime is 6811367021. The reversal of 6811366990 is 996631186.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340568340 + ... + 340568359.

It is an arithmetic number, because the mean of its divisors is an integer number (1532557575).

Almost surely, 2^6811366990 is an apocalyptic number.

6811366990 is a deficient number, since it is larger than the sum of its proper divisors (5449093610).

6811366990 is a wasteful number, since it uses less digits than its factorization.

6811366990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681136706.

The product of its (nonzero) digits is 419904, while the sum is 49.

The square root of 6811366990 is about 82531.0062340209. The cubic root of 6811366990 is about 1895.5915326450.

The spelling of 6811366990 in words is "six billion, eight hundred eleven million, three hundred sixty-six thousand, nine hundred ninety".