4566665994 has 32 divisors (see below), whose sum is σ = 9993784320. Its totient is φ = 1379650800.

The previous prime is 4566665993. The next prime is 4566666023. The reversal of 4566665994 is 4995666654.

It is not an unprimeable number, because it can be changed into a prime (4566665993) 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, 82674 + ... + 126365.

It is an arithmetic number, because the mean of its divisors is an integer number (312305760).

Almost surely, 2^4566665994 is an apocalyptic number.

4566665994 is an abundant number, since it is smaller than the sum of its proper divisors (5427118326).

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

4566665994 is a wasteful number, since it uses less digits than its factorization.

4566665994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209386.

The product of its digits is 41990400, while the sum is 60.

The square root of 4566665994 is about 67577.1114653475. Note that the first 3 decimals coincide. The cubic root of 4566665994 is about 1659.0765166372.

The spelling of 4566665994 in words is "four billion, five hundred sixty-six million, six hundred sixty-five thousand, nine hundred ninety-four".