7665816148 has 24 divisors (see below), whose sum is σ = 13505184000. Its totient is φ = 3807233760.

The previous prime is 7665816131. The next prime is 7665816149. The reversal of 7665816148 is 8416185667.

It is a junction number, because it is equal to n+sod(n) for n = 7665816095 and 7665816104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7665816149) 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, 847353 + ... + 856351.

It is an arithmetic number, because the mean of its divisors is an integer number (562716000).

Almost surely, 2^7665816148 is an apocalyptic number.

It is an amenable number.

7665816148 is a deficient number, since it is larger than the sum of its proper divisors (5839367852).

7665816148 is a wasteful number, since it uses less digits than its factorization.

7665816148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10407 (or 10405 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 52.

The square root of 7665816148 is about 87554.6466385423. The cubic root of 7665816148 is about 1971.7543141949.

The spelling of 7665816148 in words is "seven billion, six hundred sixty-five million, eight hundred sixteen thousand, one hundred forty-eight".