5126660066 has 16 divisors (see below), whose sum is σ = 8830611360. Its totient is φ = 2207652480.

The previous prime is 5126660059. The next prime is 5126660101. The reversal of 5126660066 is 6600666215.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6131951 + ... + 6132786.

It is an arithmetic number, because the mean of its divisors is an integer number (551913210).

Almost surely, 2^5126660066 is an apocalyptic number.

5126660066 is a deficient number, since it is larger than the sum of its proper divisors (3703951294).

5126660066 is a wasteful number, since it uses less digits than its factorization.

5126660066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12264769.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 5126660066 is about 71600.6987815063. The cubic root of 5126660066 is about 1724.2947551589.

The spelling of 5126660066 in words is "five billion, one hundred twenty-six million, six hundred sixty thousand, sixty-six".