652161656 has 16 divisors (see below), whose sum is σ = 1223329200. Its totient is φ = 325940544.

The previous prime is 652161647. The next prime is 652161689. The reversal of 652161656 is 656161256.

It is an alternating number because its digits alternate between even and odd.

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 3 ways as a sum of consecutive naturals, for example, 3740 + ... + 36308.

It is an arithmetic number, because the mean of its divisors is an integer number (76458075).

Almost surely, 2^652161656 is an apocalyptic number.

It is an amenable number.

652161656 is a deficient number, since it is larger than the sum of its proper divisors (571167544).

652161656 is a wasteful number, since it uses less digits than its factorization.

652161656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35078 (or 35074 counting only the distinct ones).

The product of its digits is 64800, while the sum is 38.

The square root of 652161656 is about 25537.4559422038. The cubic root of 652161656 is about 867.1983048434.

The spelling of 652161656 in words is "six hundred fifty-two million, one hundred sixty-one thousand, six hundred fifty-six".