9945460566 has 24 divisors (see below), whose sum is σ = 21560039280. Its totient is φ = 3313377936.

The previous prime is 9945460561. The next prime is 9945460573. The reversal of 9945460566 is 6650645499.

9945460566 is a `hidden beast` number, since 9 + 94 + 546 + 0 + 5 + 6 + 6 = 666.

It is a super-2 number, since 2×9945460566² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9945460561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113205 + ... + 180848.

It is an arithmetic number, because the mean of its divisors is an integer number (898334970).

Almost surely, 2^9945460566 is an apocalyptic number.

9945460566 is an abundant number, since it is smaller than the sum of its proper divisors (11614578714).

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

9945460566 is a wasteful number, since it uses less digits than its factorization.

9945460566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295940 (or 295937 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 54.

The square root of 9945460566 is about 99726.9299938587. The cubic root of 9945460566 is about 2150.5108262327.

The spelling of 9945460566 in words is "nine billion, nine hundred forty-five million, four hundred sixty thousand, five hundred sixty-six".