7830456066 has 12 divisors (see below), whose sum is σ = 16965988182. Its totient is φ = 2610152016.

The previous prime is 7830456061. The next prime is 7830456089. The reversal of 7830456066 is 6606540387.

7830456066 is a `hidden beast` number, since 7 + 8 + 30 + 4 + 5 + 606 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7435440441 + 395015625 = 86229^2 + 19875^2 .

It is a super-2 number, since 2×7830456066² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7830456061) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 217512651 + ... + 217512686.

Almost surely, 2^7830456066 is an apocalyptic number.

7830456066 is an abundant number, since it is smaller than the sum of its proper divisors (9135532116).

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

7830456066 is a wasteful number, since it uses less digits than its factorization.

7830456066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435025345 (or 435025342 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The square root of 7830456066 is about 88489.8641992404. The cubic root of 7830456066 is about 1985.7703372887.

The spelling of 7830456066 in words is "seven billion, eight hundred thirty million, four hundred fifty-six thousand, sixty-six".