916308921064 has 16 divisors (see below), whose sum is σ = 1718098820100. Its totient is φ = 458149235712.

The previous prime is 916308921041. The next prime is 916308921079. The reversal of 916308921064 is 460129803619.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 790929192964 + 125379728100 = 889342^2 + 354090^2 .

It is a junction number, because it is equal to n+sod(n) for n = 916308920999 and 916308921017.

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, 150394 + ... + 1362070.

Almost surely, 2^916308921064 is an apocalyptic number.

It is an amenable number.

916308921064 is a deficient number, since it is larger than the sum of its proper divisors (801789899036).

916308921064 is a wasteful number, since it uses less digits than its factorization.

916308921064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306212 (or 1306208 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 49.

The spelling of 916308921064 in words is "nine hundred sixteen billion, three hundred eight million, nine hundred twenty-one thousand, sixty-four".