4555117566 has 32 divisors (see below), whose sum is σ = 10145913120. Its totient is φ = 1514858112.

The previous prime is 4555117561. The next prime is 4555117571. The reversal of 4555117566 is 6657115554.

It is a happy number.

4555117566 is a `hidden beast` number, since 4 + 5 + 5 + 511 + 75 + 66 = 666.

It is an interprime number because it is at equal distance from previous prime (4555117561) and next prime (4555117571).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4555117561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74025 + ... + 120788.

It is an arithmetic number, because the mean of its divisors is an integer number (317059785).

Almost surely, 2^4555117566 is an apocalyptic number.

4555117566 is an abundant number, since it is smaller than the sum of its proper divisors (5590795554).

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

4555117566 is a wasteful number, since it uses less digits than its factorization.

4555117566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195257 (or 195251 counting only the distinct ones).

The product of its digits is 630000, while the sum is 45.

The square root of 4555117566 is about 67491.6110787111. The cubic root of 4555117566 is about 1657.6768157639.

The spelling of 4555117566 in words is "four billion, five hundred fifty-five million, one hundred seventeen thousand, five hundred sixty-six".