916536231673 has 4 divisors (see below), whose sum is σ = 922687481700. Its totient is φ = 910384981648.

The previous prime is 916536231593. The next prime is 916536231727. The reversal of 916536231673 is 376132635619.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 166531734889 + 750004496784 = 408083^2 + 866028^2 .

It is a cyclic number.

It is not a de Polignac number, because 916536231673 - 2²⁵ = 916502677241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 916536231673.

It is not an unprimeable number, because it can be changed into a prime (916536231173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3075624790 + ... + 3075625087.

It is an arithmetic number, because the mean of its divisors is an integer number (230671870425).

Almost surely, 2^916536231673 is an apocalyptic number.

It is an amenable number.

916536231673 is a deficient number, since it is larger than the sum of its proper divisors (6151250027).

916536231673 is a wasteful number, since it uses less digits than its factorization.

916536231673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6151250026.

The product of its digits is 3674160, while the sum is 52.

The spelling of 916536231673 in words is "nine hundred sixteen billion, five hundred thirty-six million, two hundred thirty-one thousand, six hundred seventy-three".