8122669646 has 48 divisors (see below), whose sum is σ = 15130844064. Its totient is φ = 3202123392.

The previous prime is 8122669561. The next prime is 8122669661. The reversal of 8122669646 is 6469662218.

It is a junction number, because it is equal to n+sod(n) for n = 8122669594 and 8122669603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 687380 + ... + 699096.

It is an arithmetic number, because the mean of its divisors is an integer number (315225918).

Almost surely, 2^8122669646 is an apocalyptic number.

8122669646 is a deficient number, since it is larger than the sum of its proper divisors (7008174418).

8122669646 is a wasteful number, since it uses less digits than its factorization.

8122669646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12045 (or 12032 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 50.

The square root of 8122669646 is about 90125.8544813862. The cubic root of 8122669646 is about 2010.1706616477.

The spelling of 8122669646 in words is "eight billion, one hundred twenty-two million, six hundred sixty-nine thousand, six hundred forty-six".