516772536471423 has 72 divisors (see below), whose sum is σ = 797969406788736. Its totient is φ = 322198541337600.

The previous prime is 516772536471397. The next prime is 516772536471437. The reversal of 516772536471423 is 324174635277615.

It is a happy number.

516772536471423 is a `hidden beast` number, since 5 + 1 + 6 + 7 + 7 + 2 + 536 + 4 + 71 + 4 + 23 = 666.

It is not a de Polignac number, because 516772536471423 - 2¹³ = 516772536463231 is a prime.

It is a super-2 number, since 2×516772536471423² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516772536471923) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 312969013 + ... + 314615873.

Almost surely, 2^{516772536471423} is an apocalyptic number.

516772536471423 is a deficient number, since it is larger than the sum of its proper divisors (281196870317313).

516772536471423 is a wasteful number, since it uses less digits than its factorization.

516772536471423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1647665 (or 1647645 counting only the distinct ones).

The product of its digits is 177811200, while the sum is 63.

The spelling of 516772536471423 in words is "five hundred sixteen trillion, seven hundred seventy-two billion, five hundred thirty-six million, four hundred seventy-one thousand, four hundred twenty-three".