507161720613 has 32 divisors (see below), whose sum is σ = 723605788800. Its totient is φ = 314852311040.

The previous prime is 507161720599. The next prime is 507161720621. The reversal of 507161720613 is 316027161705.

It is a cyclic number.

It is not a de Polignac number, because 507161720613 - 2²⁰ = 507160672037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (507161720683) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1823098 + ... + 2082788.

It is an arithmetic number, because the mean of its divisors is an integer number (22612680900).

Almost surely, 2^507161720613 is an apocalyptic number.

It is an amenable number.

507161720613 is a deficient number, since it is larger than the sum of its proper divisors (216444068187).

507161720613 is a wasteful number, since it uses less digits than its factorization.

507161720613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260117.

The product of its (nonzero) digits is 52920, while the sum is 39.

It can be divided in two parts, 507 and 161720613, that added together give a triangular number (161721120 = T₁₇₉₈₄).

The spelling of 507161720613 in words is "five hundred seven billion, one hundred sixty-one million, seven hundred twenty thousand, six hundred thirteen".