653465966 has 16 divisors (see below), whose sum is σ = 1001185920. Its totient is φ = 319803960.

The previous prime is 653465963. The next prime is 653465983. The reversal of 653465966 is 669564356.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (653465963) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3185 + ... + 36291.

It is an arithmetic number, because the mean of its divisors is an integer number (62574120).

Almost surely, 2^653465966 is an apocalyptic number.

653465966 is a deficient number, since it is larger than the sum of its proper divisors (347719954).

653465966 is a wasteful number, since it uses less digits than its factorization.

653465966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33319.

The product of its digits is 3499200, while the sum is 50.

The square root of 653465966 is about 25562.9803817943. The cubic root of 653465966 is about 867.7760461603.

The spelling of 653465966 in words is "six hundred fifty-three million, four hundred sixty-five thousand, nine hundred sixty-six".