516896197521 has 12 divisors (see below), whose sum is σ = 757544840976. Its totient is φ = 313270422520.

The previous prime is 516896197487. The next prime is 516896197523. The reversal of 516896197521 is 125791698615.

It is a happy number.

It is not a de Polignac number, because 516896197521 - 2⁷ = 516896197393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (516896197523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 711977871 + ... + 711978596.

It is an arithmetic number, because the mean of its divisors is an integer number (63128736748).

Almost surely, 2^516896197521 is an apocalyptic number.

It is an amenable number.

516896197521 is a deficient number, since it is larger than the sum of its proper divisors (240648643455).

516896197521 is a wasteful number, since it uses less digits than its factorization.

516896197521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423956492 (or 1423956481 counting only the distinct ones).

The product of its digits is 8164800, while the sum is 60.

It can be divided in two parts, 516896 and 197521, that added together give a palindrome (714417).

The spelling of 516896197521 in words is "five hundred sixteen billion, eight hundred ninety-six million, one hundred ninety-seven thousand, five hundred twenty-one".