916008497505 has 12 divisors (see below), whose sum is σ = 1587748062420. Its totient is φ = 488537865312.

The previous prime is 916008497489. The next prime is 916008497531. The reversal of 916008497505 is 505794800619.

916008497505 is a `hidden beast` number, since 91 + 6 + 0 + 0 + 8 + 49 + 7 + 505 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 211637721681 + 704370775824 = 460041^2 + 839268^2 .

It is not a de Polignac number, because 916008497505 - 2⁴ = 916008497489 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10177872150 + ... + 10177872239.

It is an arithmetic number, because the mean of its divisors is an integer number (132312338535).

Almost surely, 2^916008497505 is an apocalyptic number.

It is an amenable number.

916008497505 is a deficient number, since it is larger than the sum of its proper divisors (671739564915).

916008497505 is a wasteful number, since it uses less digits than its factorization.

916008497505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20355744400 (or 20355744397 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 54.

The spelling of 916008497505 in words is "nine hundred sixteen billion, eight million, four hundred ninety-seven thousand, five hundred five".