523161166574120 has 32 divisors (see below), whose sum is σ = 1177116329003400. Its totient is φ = 209263808103168.

The previous prime is 523161166574119. The next prime is 523161166574191. The reversal of 523161166574120 is 21475661161325.

It can be written as a sum of positive squares in 4 ways, for example, as 171075046748356 + 352086119825764 = 13079566^2 + 18763958^2 .

It is a super-2 number, since 2×523161166574120² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7608059 + ... + 33229578.

Almost surely, 2^{523161166574120} is an apocalyptic number.

It is an amenable number.

523161166574120 is an abundant number, since it is smaller than the sum of its proper divisors (653955162429280).

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

523161166574120 is a wasteful number, since it uses less digits than its factorization.

523161166574120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41157917 (or 41157913 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 50.

The spelling of 523161166574120 in words is "five hundred twenty-three trillion, one hundred sixty-one billion, one hundred sixty-six million, five hundred seventy-four thousand, one hundred twenty".