1650066516 has 72 divisors (see below), whose sum is σ = 4786978560. Its totient is φ = 469457856.

The previous prime is 1650066499. The next prime is 1650066521. The reversal of 1650066516 is 6156600561.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 46530 + ... + 73926.

Almost surely, 2^1650066516 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1650066516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2393489280).

1650066516 is an abundant number, since it is smaller than the sum of its proper divisors (3136912044).

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

1650066516 is a wasteful number, since it uses less digits than its factorization.

1650066516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27653 (or 27648 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 1650066516 is about 40621.0107702898. The cubic root of 1650066516 is about 1181.6816289772.

The spelling of 1650066516 in words is "one billion, six hundred fifty million, sixty-six thousand, five hundred sixteen".