5311638266 has 8 divisors (see below), whose sum is σ = 8691771744. Its totient is φ = 2414381020.

The previous prime is 5311638263. The next prime is 5311638317. The reversal of 5311638266 is 6628361135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (5311638263) 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, 120719030 + ... + 120719073.

It is an arithmetic number, because the mean of its divisors is an integer number (1086471468).

Almost surely, 2^5311638266 is an apocalyptic number.

5311638266 is a deficient number, since it is larger than the sum of its proper divisors (3380133478).

5311638266 is a wasteful number, since it uses less digits than its factorization.

5311638266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241438116.

The product of its digits is 155520, while the sum is 41.

The square root of 5311638266 is about 72880.9869993540. The cubic root of 5311638266 is about 1744.7886615264.

The spelling of 5311638266 in words is "five billion, three hundred eleven million, six hundred thirty-eight thousand, two hundred sixty-six".