1646048452 has 24 divisors (see below), whose sum is σ = 3087072576. Its totient is φ = 765962208.

The previous prime is 1646048449. The next prime is 1646048473. The reversal of 1646048452 is 2548406461.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238378 + ... + 245185.

It is an arithmetic number, because the mean of its divisors is an integer number (128628024).

Almost surely, 2^1646048452 is an apocalyptic number.

It is an amenable number.

1646048452 is a deficient number, since it is larger than the sum of its proper divisors (1441024124).

1646048452 is a wasteful number, since it uses less digits than its factorization.

1646048452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483627 (or 483625 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 40.

The square root of 1646048452 is about 40571.5226729291. The cubic root of 1646048452 is about 1180.7216814868.

It can be divided in two parts, 164604 and 8452, that added together give a square (173056 = 416²).

The spelling of 1646048452 in words is "one billion, six hundred forty-six million, forty-eight thousand, four hundred fifty-two".