5266663272 has 144 divisors (see below), whose sum is σ = 15518692800. Its totient is φ = 1612840320.

The previous prime is 5266663249. The next prime is 5266663289. The reversal of 5266663272 is 2723666625.

It is a happy number.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2907247 + ... + 2909057.

It is an arithmetic number, because the mean of its divisors is an integer number (107768700).

Almost surely, 2^5266663272 is an apocalyptic number.

5266663272 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5266663272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7759346400).

5266663272 is an abundant number, since it is smaller than the sum of its proper divisors (10252029528).

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

5266663272 is a wasteful number, since it uses less digits than its factorization.

5266663272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2088 (or 2068 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 45.

The square root of 5266663272 is about 72571.7801352564. The cubic root of 5266663272 is about 1739.8501733854.

The spelling of 5266663272 in words is "five billion, two hundred sixty-six million, six hundred sixty-three thousand, two hundred seventy-two".