656551110446 has 48 divisors (see below), whose sum is σ = 1250115368832. Its totient is φ = 255726702000.

The previous prime is 656551110433. The next prime is 656551110473. The reversal of 656551110446 is 644011155656.

It is a junction number, because it is equal to n+sod(n) for n = 656551110397 and 656551110406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3803921 + ... + 3972771.

It is an arithmetic number, because the mean of its divisors is an integer number (26044070184).

Almost surely, 2^656551110446 is an apocalyptic number.

656551110446 is a deficient number, since it is larger than the sum of its proper divisors (593564258386).

656551110446 is a wasteful number, since it uses less digits than its factorization.

656551110446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172485 (or 172478 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 44.

The spelling of 656551110446 in words is "six hundred fifty-six billion, five hundred fifty-one million, one hundred ten thousand, four hundred forty-six".