1650550164 has 24 divisors (see below), whose sum is σ = 3864997248. Its totient is φ = 548224320.

The previous prime is 1650550163. The next prime is 1650550169. The reversal of 1650550164 is 4610550561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1650550163) by changing a digit.

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, 241372 + ... + 248115.

It is an arithmetic number, because the mean of its divisors is an integer number (161041552).

Almost surely, 2^1650550164 is an apocalyptic number.

It is an amenable number.

1650550164 is an abundant number, since it is smaller than the sum of its proper divisors (2214447084).

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

1650550164 is a wasteful number, since it uses less digits than its factorization.

1650550164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489775 (or 489773 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 1650550164 is about 40626.9635094724. The cubic root of 1650550164 is about 1181.7970712177.

The spelling of 1650550164 in words is "one billion, six hundred fifty million, five hundred fifty thousand, one hundred sixty-four".