650066544 has 30 divisors (see below), whose sum is σ = 1819283856. Its totient is φ = 216688800.

The previous prime is 650066539. The next prime is 650066567. The reversal of 650066544 is 445660056.

It is a happy number.

650066544 is a `hidden beast` number, since 6 + 50 + 0 + 66 + 544 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 650066499 and 650066508.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2257032 + ... + 2257319.

Almost surely, 2^650066544 is an apocalyptic number.

It is an amenable number.

650066544 is an abundant number, since it is smaller than the sum of its proper divisors (1169217312).

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

650066544 is a wasteful number, since it uses less digits than its factorization.

650066544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4514365 (or 4514356 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 650066544 is about 25496.4025697744. The cubic root of 650066544 is about 866.2686648527.

The spelling of 650066544 in words is "six hundred fifty million, sixty-six thousand, five hundred forty-four".