1650665004 has 48 divisors (see below), whose sum is σ = 3951134208. Its totient is φ = 536100928.

The previous prime is 1650664999. The next prime is 1650665041. The reversal of 1650665004 is 4005660561.

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 15 ways as a sum of consecutive naturals, for example, 121582 + ... + 134474.

It is an arithmetic number, because the mean of its divisors is an integer number (82315296).

Almost surely, 2^1650665004 is an apocalyptic number.

It is an amenable number.

1650665004 is an abundant number, since it is smaller than the sum of its proper divisors (2300469204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1650665004 is a wasteful number, since it uses less digits than its factorization.

1650665004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13174 (or 13172 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 1650665004 is about 40628.3768319631. The cubic root of 1650665004 is about 1181.8244791352.

The spelling of 1650665004 in words is "one billion, six hundred fifty million, six hundred sixty-five thousand, four".