5265211668 has 12 divisors (see below), whose sum is σ = 12285493920. Its totient is φ = 1755070552.

The previous prime is 5265211663. The next prime is 5265211691. The reversal of 5265211668 is 8661125625.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5265211663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219383808 + ... + 219383831.

It is an arithmetic number, because the mean of its divisors is an integer number (1023791160).

Almost surely, 2^5265211668 is an apocalyptic number.

It is an amenable number.

5265211668 is an abundant number, since it is smaller than the sum of its proper divisors (7020282252).

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

5265211668 is a wasteful number, since it uses less digits than its factorization.

5265211668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438767646 (or 438767644 counting only the distinct ones).

The product of its digits is 172800, while the sum is 42.

The square root of 5265211668 is about 72561.7782858166. The cubic root of 5265211668 is about 1739.6903121722.

The spelling of 5265211668 in words is "five billion, two hundred sixty-five million, two hundred eleven thousand, six hundred sixty-eight".