6475566006 has 128 divisors (see below), whose sum is σ = 18282700800. Its totient is φ = 1652711040.

The previous prime is 6475565977. The next prime is 6475566077. The reversal of 6475566006 is 6006655746.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 131080 + ... + 173588.

It is an arithmetic number, because the mean of its divisors is an integer number (142833600).

Almost surely, 2^6475566006 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6475566006, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9141350400).

6475566006 is an abundant number, since it is smaller than the sum of its proper divisors (11807134794).

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

6475566006 is a wasteful number, since it uses less digits than its factorization.

6475566006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42571 (or 42565 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The square root of 6475566006 is about 80470.9016104579. The cubic root of 6475566006 is about 1863.9141765992.

The spelling of 6475566006 in words is "six billion, four hundred seventy-five million, five hundred sixty-six thousand, six".