916573459545 has 24 divisors (see below), whose sum is σ = 1589122751112. Its totient is φ = 488717510400.

The previous prime is 916573459537. The next prime is 916573459567. The reversal of 916573459545 is 545954375619.

916573459545 is a `hidden beast` number, since 9 + 1 + 6 + 5 + 7 + 34 + 59 + 545 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 6909599376 + 909663860169 = 83124^2 + 953763^2 .

It is not a de Polignac number, because 916573459545 - 2³ = 916573459537 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2351796 + ... + 2713685.

It is an arithmetic number, because the mean of its divisors is an integer number (66213447963).

Almost surely, 2^916573459545 is an apocalyptic number.

It is an amenable number.

916573459545 is a deficient number, since it is larger than the sum of its proper divisors (672549291567).

916573459545 is a wasteful number, since it uses less digits than its factorization.

916573459545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5069513 (or 5069510 counting only the distinct ones).

The product of its digits is 102060000, while the sum is 63.

The spelling of 916573459545 in words is "nine hundred sixteen billion, five hundred seventy-three million, four hundred fifty-nine thousand, five hundred forty-five".