652161388 has 12 divisors (see below), whose sum is σ = 1151753680. Its totient is φ = 323088912.

The previous prime is 652161359. The next prime is 652161409. The reversal of 652161388 is 883161256.

It is a self number, because there is not a number n which added to its sum of digits gives 652161388.

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 3 ways as a sum of consecutive naturals, for example, 747456 + ... + 748327.

Almost surely, 2^652161388 is an apocalyptic number.

It is an amenable number.

652161388 is a deficient number, since it is larger than the sum of its proper divisors (499592292).

652161388 is a wasteful number, since it uses less digits than its factorization.

652161388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1495896 (or 1495894 counting only the distinct ones).

The product of its digits is 69120, while the sum is 40.

The square root of 652161388 is about 25537.4506950087. The cubic root of 652161388 is about 867.1981860543.

The spelling of 652161388 in words is "six hundred fifty-two million, one hundred sixty-one thousand, three hundred eighty-eight".