1063916905 has 8 divisors (see below), whose sum is σ = 1277901000. Its totient is φ = 850333056.

The previous prime is 1063916897. The next prime is 1063916923. The reversal of 1063916905 is 5096193601.

It can be written as a sum of positive squares in 4 ways, for example, as 365689129 + 698227776 = 19123^2 + 26424^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1063916905 - 2³ = 1063916897 is a prime.

It is a super-2 number, since 2×1063916905² = 2263838361489558050, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 94180 + ... + 104869.

It is an arithmetic number, because the mean of its divisors is an integer number (159737625).

Almost surely, 2^1063916905 is an apocalyptic number.

It is an amenable number.

1063916905 is a deficient number, since it is larger than the sum of its proper divisors (213984095).

1063916905 is a wasteful number, since it uses less digits than its factorization.

1063916905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200123.

The product of its (nonzero) digits is 43740, while the sum is 40.

The square root of 1063916905 is about 32617.7391153955. The cubic root of 1063916905 is about 1020.8671675287.

The spelling of 1063916905 in words is "one billion, sixty-three million, nine hundred sixteen thousand, nine hundred five".