6422061866 has 16 divisors (see below), whose sum is σ = 10847824128. Its totient is φ = 2824953600.

The previous prime is 6422061859. The next prime is 6422061907. The reversal of 6422061866 is 6681602246.

It is a super-2 number, since 2×6422061866² = 82485757221462803912, which contains 22 as substring.

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, 4707575 + ... + 4708938.

It is an arithmetic number, because the mean of its divisors is an integer number (677989008).

Almost surely, 2^6422061866 is an apocalyptic number.

6422061866 is a deficient number, since it is larger than the sum of its proper divisors (4425762262).

6422061866 is a wasteful number, since it uses less digits than its factorization.

6422061866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9416557.

The product of its (nonzero) digits is 165888, while the sum is 41.

The square root of 6422061866 is about 80137.7680372994. The cubic root of 6422061866 is about 1858.7664640699.

The spelling of 6422061866 in words is "six billion, four hundred twenty-two million, sixty-one thousand, eight hundred sixty-six".