505601061656 has 16 divisors (see below), whose sum is σ = 948066907200. Its totient is φ = 252783219744.

The previous prime is 505601061631. The next prime is 505601061671. The reversal of 505601061656 is 656160106505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2039336 + ... + 2273783.

It is an arithmetic number, because the mean of its divisors is an integer number (59254181700).

Almost surely, 2^505601061656 is an apocalyptic number.

It is an amenable number.

505601061656 is a deficient number, since it is larger than the sum of its proper divisors (442465845544).

505601061656 is a wasteful number, since it uses less digits than its factorization.

505601061656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4327778 (or 4327774 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 41.

The spelling of 505601061656 in words is "five hundred five billion, six hundred one million, sixty-one thousand, six hundred fifty-six".