8266138008 has 16 divisors (see below), whose sum is σ = 20665345080. Its totient is φ = 2755379328.

The previous prime is 8266137973. The next prime is 8266138031. The reversal of 8266138008 is 8008316628.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172211185 + ... + 172211232.

Almost surely, 2^8266138008 is an apocalyptic number.

It is an amenable number.

8266138008 is an abundant number, since it is smaller than the sum of its proper divisors (12399207072).

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

8266138008 is a wasteful number, since it uses less digits than its factorization.

8266138008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344422426 (or 344422422 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 8266138008 is about 90918.3040316965. The cubic root of 8266138008 is about 2021.9366787036.

The spelling of 8266138008 in words is "eight billion, two hundred sixty-six million, one hundred thirty-eight thousand, eight".