5205266664 has 64 divisors (see below), whose sum is σ = 14145243840. Its totient is φ = 1586641920.

The previous prime is 5205266663. The next prime is 5205266683. The reversal of 5205266664 is 4666625025.

It is not an unprimeable number, because it can be changed into a prime (5205266663) 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, 44577 + ... + 111344.

It is an arithmetic number, because the mean of its divisors is an integer number (221019435).

Almost surely, 2^5205266664 is an apocalyptic number.

It is an amenable number.

5205266664 is an abundant number, since it is smaller than the sum of its proper divisors (8939977176).

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

5205266664 is a wasteful number, since it uses less digits than its factorization.

5205266664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156050 (or 156046 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 42.

The square root of 5205266664 is about 72147.5340119120. The cubic root of 5205266664 is about 1733.0629095218.

The spelling of 5205266664 in words is "five billion, two hundred five million, two hundred sixty-six thousand, six hundred sixty-four".