1648118494 has 24 divisors (see below), whose sum is σ = 2737242144. Its totient is φ = 743661600.

The previous prime is 1648118489. The next prime is 1648118519. The reversal of 1648118494 is 4948118461.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8299 + ... + 58009.

It is an arithmetic number, because the mean of its divisors is an integer number (114051756).

Almost surely, 2^1648118494 is an apocalyptic number.

1648118494 is a deficient number, since it is larger than the sum of its proper divisors (1089123650).

1648118494 is a wasteful number, since it uses less digits than its factorization.

1648118494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49872 (or 49861 counting only the distinct ones).

The product of its digits is 221184, while the sum is 46.

The square root of 1648118494 is about 40597.0256792293. The cubic root of 1648118494 is about 1181.2164258572.

The spelling of 1648118494 in words is "one billion, six hundred forty-eight million, one hundred eighteen thousand, four hundred ninety-four".