650250005166 has 48 divisors (see below), whose sum is σ = 1438532329104. Its totient is φ = 212204858112.

The previous prime is 650250005161. The next prime is 650250005179. The reversal of 650250005166 is 661500052056.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 650250005166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650250005161) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 284251 + ... + 1175286.

It is an arithmetic number, because the mean of its divisors is an integer number (29969423523).

Almost surely, 2^650250005166 is an apocalyptic number.

650250005166 is an abundant number, since it is smaller than the sum of its proper divisors (788282323938).

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

650250005166 is a wasteful number, since it uses less digits than its factorization.

650250005166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1460065 (or 1460062 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The spelling of 650250005166 in words is "six hundred fifty billion, two hundred fifty million, five thousand, one hundred sixty-six".