8116290081 has 12 divisors (see below), whose sum is σ = 11972967552. Its totient is φ = 5295735096.

The previous prime is 8116290053. The next prime is 8116290107. The reversal of 8116290081 is 1800926118.

It is not a de Polignac number, because 8116290081 - 2¹⁵ = 8116257313 is a prime.

It is a super-2 number, since 2×8116290081² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8116290011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9593301 + ... + 9594146.

It is an arithmetic number, because the mean of its divisors is an integer number (997747296).

Almost surely, 2^8116290081 is an apocalyptic number.

It is an amenable number.

8116290081 is a deficient number, since it is larger than the sum of its proper divisors (3856677471).

8116290081 is a wasteful number, since it uses less digits than its factorization.

8116290081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19187500 (or 19187497 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 36.

The square root of 8116290081 is about 90090.4549938560. The cubic root of 8116290081 is about 2009.6442594606.

The spelling of 8116290081 in words is "eight billion, one hundred sixteen million, two hundred ninety thousand, eighty-one".