8266085616 has 40 divisors (see below), whose sum is σ = 21357539280. Its totient is φ = 2754912256.

The previous prime is 8266085507. The next prime is 8266085617. The reversal of 8266085616 is 6165806628.

It is a happy number.

It is a super-2 number, since 2×8266085616² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8266085617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 423856 + ... + 442928.

It is an arithmetic number, because the mean of its divisors is an integer number (533938482).

Almost surely, 2^8266085616 is an apocalyptic number.

It is an amenable number.

8266085616 is an abundant number, since it is smaller than the sum of its proper divisors (13091453664).

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

8266085616 is a wasteful number, since it uses less digits than its factorization.

8266085616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28113 (or 28107 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 48.

The square root of 8266085616 is about 90918.0159044400. The cubic root of 8266085616 is about 2021.9324069171.

The spelling of 8266085616 in words is "eight billion, two hundred sixty-six million, eighty-five thousand, six hundred sixteen".