6157663648 has 48 divisors (see below), whose sum is σ = 12277205640. Its totient is φ = 3039748096.

The previous prime is 6157663607. The next prime is 6157663657. The reversal of 6157663648 is 8463667516.

It can be written as a sum of positive squares in 4 ways, for example, as 6138409104 + 19254544 = 78348^2 + 4388^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6157663595 and 6157663604.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2781390 + ... + 2783602.

Almost surely, 2^6157663648 is an apocalyptic number.

It is an amenable number.

6157663648 is a deficient number, since it is larger than the sum of its proper divisors (6119541992).

6157663648 is a wasteful number, since it uses less digits than its factorization.

6157663648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3289 (or 3281 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 52.

The square root of 6157663648 is about 78470.7821294015. The cubic root of 6157663648 is about 1832.8995061510.

The spelling of 6157663648 in words is "six billion, one hundred fifty-seven million, six hundred sixty-three thousand, six hundred forty-eight".