650066652 has 72 divisors (see below), whose sum is σ = 1703974272. Its totient is φ = 208742400.

The previous prime is 650066567. The next prime is 650066701. The reversal of 650066652 is 256660056.

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 (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 267748 + ... + 270164.

Almost surely, 2^650066652 is an apocalyptic number.

650066652 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 650066652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (851987136).

650066652 is an abundant number, since it is smaller than the sum of its proper divisors (1053907620).

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

650066652 is a wasteful number, since it uses less digits than its factorization.

650066652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2699 (or 2694 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 650066652 is about 25496.4046877202. The cubic root of 650066652 is about 866.2687128258.

The spelling of 650066652 in words is "six hundred fifty million, sixty-six thousand, six hundred fifty-two".