6418766690 has 64 divisors (see below), whose sum is σ = 13738180608. Its totient is φ = 2112868800.

The previous prime is 6418766681. The next prime is 6418766747. The reversal of 6418766690 is 966678146.

It is a super-2 number, since 2×6418766690² = 82401131641307112200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 263945 + ... + 287235.

It is an arithmetic number, because the mean of its divisors is an integer number (214659072).

Almost surely, 2^6418766690 is an apocalyptic number.

6418766690 is an abundant number, since it is smaller than the sum of its proper divisors (7319413918).

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

6418766690 is a wasteful number, since it uses less digits than its factorization.

6418766690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23463.

The product of its (nonzero) digits is 2612736, while the sum is 53.

The square root of 6418766690 is about 80117.2059547760. The cubic root of 6418766690 is about 1858.4484971071.

The spelling of 6418766690 in words is "six billion, four hundred eighteen million, seven hundred sixty-six thousand, six hundred ninety".