1648893032 has 16 divisors (see below), whose sum is σ = 3126413700. Its totient is φ = 815182720.

The previous prime is 1648892909. The next prime is 1648893067. The reversal of 1648893032 is 2303988461.

It can be written as a sum of positive squares in 2 ways, for example, as 1648847236 + 45796 = 40606^2 + 214^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1157219 + ... + 1158642.

Almost surely, 2^1648893032 is an apocalyptic number.

It is an amenable number.

1648893032 is a deficient number, since it is larger than the sum of its proper divisors (1477520668).

1648893032 is a wasteful number, since it uses less digits than its factorization.

1648893032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2315956 (or 2315952 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 1648893032 is about 40606.5639028963. The cubic root of 1648893032 is about 1181.4014355576.

The spelling of 1648893032 in words is "one billion, six hundred forty-eight million, eight hundred ninety-three thousand, thirty-two".