8122669618 has 16 divisors (see below), whose sum is σ = 13925790144. Its totient is φ = 3480840720.

The previous prime is 8122669561. The next prime is 8122669661. The reversal of 8122669618 is 8169662218.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229873 + ... + 262843.

It is an arithmetic number, because the mean of its divisors is an integer number (870361884).

Almost surely, 2^8122669618 is an apocalyptic number.

8122669618 is a deficient number, since it is larger than the sum of its proper divisors (5803120526).

8122669618 is a wasteful number, since it uses less digits than its factorization.

8122669618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50577.

The product of its digits is 497664, while the sum is 49.

The square root of 8122669618 is about 90125.8543260479. The cubic root of 8122669618 is about 2010.1706593379.

The spelling of 8122669618 in words is "eight billion, one hundred twenty-two million, six hundred sixty-nine thousand, six hundred eighteen".