656552246 has 32 divisors (see below), whose sum is σ = 1135959552. Its totient is φ = 278784000.

The previous prime is 656552231. The next prime is 656552279. The reversal of 656552246 is 642255656.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 902735 + ... + 903461.

It is an arithmetic number, because the mean of its divisors is an integer number (35498736).

Almost surely, 2^656552246 is an apocalyptic number.

656552246 is a deficient number, since it is larger than the sum of its proper divisors (479407306).

656552246 is a wasteful number, since it uses less digits than its factorization.

656552246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244.

The product of its digits is 432000, while the sum is 41.

The square root of 656552246 is about 25623.2754736782. The cubic root of 656552246 is about 869.1400521928.

The spelling of 656552246 in words is "six hundred fifty-six million, five hundred fifty-two thousand, two hundred forty-six".