551648846156 has 12 divisors (see below), whose sum is σ = 979794219768. Its totient is φ = 271707640512.

The previous prime is 551648846141. The next prime is 551648846183. The reversal of 551648846156 is 651648846155.

It is a junction number, because it is equal to n+sod(n) for n = 551648846095 and 551648846104.

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, 1029195341 + ... + 1029195876.

It is an arithmetic number, because the mean of its divisors is an integer number (81649518314).

Almost surely, 2^551648846156 is an apocalyptic number.

It is an amenable number.

551648846156 is a deficient number, since it is larger than the sum of its proper divisors (428145373612).

551648846156 is a wasteful number, since it uses less digits than its factorization.

551648846156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2058391288 (or 2058391286 counting only the distinct ones).

The product of its digits is 27648000, while the sum is 59.

Subtracting 551648846156 from its reverse (651648846155), we obtain a palindrome (99999999999).

The spelling of 551648846156 in words is "five hundred fifty-one billion, six hundred forty-eight million, eight hundred forty-six thousand, one hundred fifty-six".