5126660266 has 64 divisors (see below), whose sum is σ = 9690992640. Its totient is φ = 1979847360.

The previous prime is 5126660263. The next prime is 5126660311. The reversal of 5126660266 is 6620666215.

It is not an unprimeable number, because it can be changed into a prime (5126660263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6321001 + ... + 6321811.

It is an arithmetic number, because the mean of its divisors is an integer number (151421760).

Almost surely, 2^5126660266 is an apocalyptic number.

5126660266 is a deficient number, since it is larger than the sum of its proper divisors (4564332374).

5126660266 is a wasteful number, since it uses less digits than its factorization.

5126660266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1619.

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 5126660266 is about 71600.7001781407. The cubic root of 5126660266 is about 1724.2947775815.

The spelling of 5126660266 in words is "five billion, one hundred twenty-six million, six hundred sixty thousand, two hundred sixty-six".