916750747666 has 8 divisors (see below), whose sum is σ = 1480905053964. Its totient is φ = 423115729680.

The previous prime is 916750747643. The next prime is 916750747687. The reversal of 916750747666 is 666747057619.

It can be written as a sum of positive squares in 2 ways, for example, as 908161350625 + 8589397041 = 952975^2 + 92679^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 916750747598 and 916750747607.

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 3 ways as a sum of consecutive naturals, for example, 17629822045 + ... + 17629822096.

Almost surely, 2^916750747666 is an apocalyptic number.

916750747666 is a deficient number, since it is larger than the sum of its proper divisors (564154306298).

916750747666 is a wasteful number, since it uses less digits than its factorization.

916750747666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35259644156.

The product of its (nonzero) digits is 80015040, while the sum is 64.

The spelling of 916750747666 in words is "nine hundred sixteen billion, seven hundred fifty million, seven hundred forty-seven thousand, six hundred sixty-six".