8165997330 has 32 divisors (see below), whose sum is σ = 19834524864. Its totient is φ = 2151362496.

The previous prime is 8165997263. The next prime is 8165997373. The reversal of 8165997330 is 337995618.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1637269 + ... + 1642248.

It is an arithmetic number, because the mean of its divisors is an integer number (619828902).

Almost surely, 2^8165997330 is an apocalyptic number.

8165997330 is an abundant number, since it is smaller than the sum of its proper divisors (11668527534).

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

8165997330 is a wasteful number, since it uses less digits than its factorization.

8165997330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3279610.

The product of its (nonzero) digits is 1224720, while the sum is 51.

The square root of 8165997330 is about 90365.9080073896. The cubic root of 8165997330 is about 2013.7385212581.

The spelling of 8165997330 in words is "eight billion, one hundred sixty-five million, nine hundred ninety-seven thousand, three hundred thirty".