7656616148 has 12 divisors (see below), whose sum is σ = 13401107412. Its totient is φ = 3827728320.

The previous prime is 7656616129. The next prime is 7656616153. The reversal of 7656616148 is 8416166567.

It can be written as a sum of positive squares in 2 ways, for example, as 7000334224 + 656281924 = 83668^2 + 25618^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7656616096 and 7656616105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114515 + ... + 168602.

It is an arithmetic number, because the mean of its divisors is an integer number (1116758951).

Almost surely, 2^7656616148 is an apocalyptic number.

It is an amenable number.

7656616148 is a deficient number, since it is larger than the sum of its proper divisors (5744491264).

7656616148 is a wasteful number, since it uses less digits than its factorization.

7656616148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289882 (or 289880 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 50.

The square root of 7656616148 is about 87502.0922492714. The cubic root of 7656616148 is about 1970.9652092019.

The spelling of 7656616148 in words is "seven billion, six hundred fifty-six million, six hundred sixteen thousand, one hundred forty-eight".