6546029866 has 16 divisors (see below), whose sum is σ = 10004121864. Its totient is φ = 3211778304.

The previous prime is 6546029863. The next prime is 6546029869. The reversal of 6546029866 is 6689206456.

It is an interprime number because it is at equal distance from previous prime (6546029863) and next prime (6546029869).

It can be written as a sum of positive squares in 4 ways, for example, as 5823979225 + 722050641 = 76315^2 + 26871^2 .

It is not an unprimeable number, because it can be changed into a prime (6546029863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85035 + ... + 142558.

Almost surely, 2^6546029866 is an apocalyptic number.

6546029866 is a deficient number, since it is larger than the sum of its proper divisors (3458091998).

6546029866 is a wasteful number, since it uses less digits than its factorization.

6546029866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227865.

The product of its (nonzero) digits is 3732480, while the sum is 52.

The square root of 6546029866 is about 80907.5389935944. The cubic root of 6546029866 is about 1870.6505277674.

The spelling of 6546029866 in words is "six billion, five hundred forty-six million, twenty-nine thousand, eight hundred sixty-six".