1653364868 has 12 divisors (see below), whose sum is σ = 2893838220. Its totient is φ = 826553952.

The previous prime is 1653364831. The next prime is 1653364871. The reversal of 1653364868 is 8684633561.

It can be written as a sum of positive squares in 2 ways, for example, as 1340145664 + 313219204 = 36608^2 + 17698^2 .

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, 518 + ... + 57506.

It is an arithmetic number, because the mean of its divisors is an integer number (241153185).

Almost surely, 2^1653364868 is an apocalyptic number.

It is an amenable number.

1653364868 is a deficient number, since it is larger than the sum of its proper divisors (1240473352).

1653364868 is a wasteful number, since it uses less digits than its factorization.

1653364868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64246 (or 64244 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 50.

The square root of 1653364868 is about 40661.5895901771. The cubic root of 1653364868 is about 1182.4684675294.

The spelling of 1653364868 in words is "one billion, six hundred fifty-three million, three hundred sixty-four thousand, eight hundred sixty-eight".