3520257164356 has 12 divisors (see below), whose sum is σ = 6164213305068. Its totient is φ = 1759053362912.

The previous prime is 3520257164339. The next prime is 3520257164357. The reversal of 3520257164356 is 6534617520253.

It is a happy number.

3520257164356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1125296640000 + 2394960524356 = 1060800^2 + 1547566^2 .

It is not an unprimeable number, because it can be changed into a prime (3520257164357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268797451 + ... + 268810546.

It is an arithmetic number, because the mean of its divisors is an integer number (513684442089).

Almost surely, 2^{3520257164356} is an apocalyptic number.

It is an amenable number.

3520257164356 is a deficient number, since it is larger than the sum of its proper divisors (2643956140712).

3520257164356 is a wasteful number, since it uses less digits than its factorization.

3520257164356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537609638 (or 537609636 counting only the distinct ones).

The product of its (nonzero) digits is 4536000, while the sum is 49.

The spelling of 3520257164356 in words is "three trillion, five hundred twenty billion, two hundred fifty-seven million, one hundred sixty-four thousand, three hundred fifty-six".