1066918064 has 20 divisors (see below), whose sum is σ = 2115228456. Its totient is φ = 521052672.

The previous prime is 1066918049. The next prime is 1066918081. The reversal of 1066918064 is 4608196601.

It is a super-2 number, since 2×1066918064² = 2276628310579016192, which contains 22 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

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, 774689 + ... + 776064.

Almost surely, 2^1066918064 is an apocalyptic number.

It is an amenable number.

1066918064 is a deficient number, since it is larger than the sum of its proper divisors (1048310392).

1066918064 is a wasteful number, since it uses less digits than its factorization.

1066918064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550804 (or 1550798 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 1066918064 is about 32663.7117302979. The cubic root of 1066918064 is about 1021.8261736143.

The spelling of 1066918064 in words is "one billion, sixty-six million, nine hundred eighteen thousand, sixty-four".