516961157445 has 32 divisors (see below), whose sum is σ = 920023117440. Its totient is φ = 275418299520.

The previous prime is 516961157423. The next prime is 516961157507. The reversal of 516961157445 is 544751169615.

516961157445 is a `hidden beast` number, since 5 + 1 + 6 + 9 + 61 + 1 + 574 + 4 + 5 = 666.

It is not a de Polignac number, because 516961157445 - 2¹² = 516961153349 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 516961157391 and 516961157400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1916911 + ... + 2169900.

It is an arithmetic number, because the mean of its divisors is an integer number (28750722420).

Almost surely, 2^516961157445 is an apocalyptic number.

It is an amenable number.

516961157445 is a deficient number, since it is larger than the sum of its proper divisors (403061959995).

516961157445 is a wasteful number, since it uses less digits than its factorization.

516961157445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4087762 (or 4087756 counting only the distinct ones).

The product of its digits is 4536000, while the sum is 54.

The spelling of 516961157445 in words is "five hundred sixteen billion, nine hundred sixty-one million, one hundred fifty-seven thousand, four hundred forty-five".