56610161012 has 12 divisors (see below), whose sum is σ = 99110261796. Its totient is φ = 28292943360.

The previous prime is 56610161009. The next prime is 56610161033. The reversal of 56610161012 is 21016101665.

It can be written as a sum of positive squares in 2 ways, for example, as 42533287696 + 14076873316 = 206236^2 + 118646^2 .

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 3023789 + ... + 3042452.

It is an arithmetic number, because the mean of its divisors is an integer number (8259188483).

Almost surely, 2^56610161012 is an apocalyptic number.

It is an amenable number.

56610161012 is a deficient number, since it is larger than the sum of its proper divisors (42500100784).

56610161012 is a wasteful number, since it uses less digits than its factorization.

56610161012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6068578 (or 6068576 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 29.

Adding to 56610161012 its reverse (21016101665), we get a palindrome (77626262677).

The spelling of 56610161012 in words is "fifty-six billion, six hundred ten million, one hundred sixty-one thousand, twelve".