551607160520 has 64 divisors (see below), whose sum is σ = 1345557150000. Its totient is φ = 202303392768.

The previous prime is 551607160519. The next prime is 551607160549. The reversal of 551607160520 is 25061706155.

It can be written as a sum of positive squares in 8 ways, for example, as 1241998564 + 550365161956 = 35242^2 + 741866^2 .

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3482195 + ... + 3637154.

Almost surely, 2^551607160520 is an apocalyptic number.

It is an amenable number.

551607160520 is an abundant number, since it is smaller than the sum of its proper divisors (793949989480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

551607160520 is a wasteful number, since it uses less digits than its factorization.

551607160520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7119522 (or 7119518 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 38.

Adding to 551607160520 its reverse (25061706155), we get a palindrome (576668866675).

The spelling of 551607160520 in words is "five hundred fifty-one billion, six hundred seven million, one hundred sixty thousand, five hundred twenty".