656111424352 has 24 divisors (see below), whose sum is σ = 1291817348136. Its totient is φ = 328030828032.

The previous prime is 656111424343. The next prime is 656111424359. The reversal of 656111424352 is 253424111656.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (656111424359) 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 3 ways as a sum of consecutive naturals, for example, 345478 + ... + 1196485.

It is an arithmetic number, because the mean of its divisors is an integer number (53825722839).

Almost surely, 2^656111424352 is an apocalyptic number.

It is an amenable number.

656111424352 is a deficient number, since it is larger than the sum of its proper divisors (635705923784).

656111424352 is a wasteful number, since it uses less digits than its factorization.

656111424352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1555270 (or 1555262 counting only the distinct ones).

The product of its digits is 172800, while the sum is 40.

The spelling of 656111424352 in words is "six hundred fifty-six billion, one hundred eleven million, four hundred twenty-four thousand, three hundred fifty-two".