656250620230 has 32 divisors (see below), whose sum is σ = 1186389892800. Its totient is φ = 261360528000.

The previous prime is 656250620219. The next prime is 656250620239. The reversal of 656250620230 is 32026052656.

It is a self number, because there is not a number n which added to its sum of digits gives 656250620230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (656250620239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2223855 + ... + 2501605.

It is an arithmetic number, because the mean of its divisors is an integer number (37074684150).

Almost surely, 2^656250620230 is an apocalyptic number.

656250620230 is a deficient number, since it is larger than the sum of its proper divisors (530139272570).

656250620230 is a wasteful number, since it uses less digits than its factorization.

656250620230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278784.

The product of its (nonzero) digits is 129600, while the sum is 37.

Adding to 656250620230 its reverse (32026052656), we get a palindrome (688276672886).

The spelling of 656250620230 in words is "six hundred fifty-six billion, two hundred fifty million, six hundred twenty thousand, two hundred thirty".