1828563656 has 16 divisors (see below), whose sum is σ = 3630236940. Its totient is φ = 860500480.

The previous prime is 1828563647. The next prime is 1828563677. The reversal of 1828563656 is 6563658281.

It can be written as a sum of positive squares in 2 ways, for example, as 1788444100 + 40119556 = 42290^2 + 6334^2 .

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, 6722525 + ... + 6722796.

Almost surely, 2^1828563656 is an apocalyptic number.

It is an amenable number.

1828563656 is a deficient number, since it is larger than the sum of its proper divisors (1801673284).

1828563656 is a wasteful number, since it uses less digits than its factorization.

1828563656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13445344 (or 13445340 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 50.

The square root of 1828563656 is about 42761.7078237060. The cubic root of 1828563656 is about 1222.8411023136.

The spelling of 1828563656 in words is "one billion, eight hundred twenty-eight million, five hundred sixty-three thousand, six hundred fifty-six".