1016665064 has 16 divisors (see below), whose sum is σ = 1971980100. Its totient is φ = 490803712.

The previous prime is 1016664989. The next prime is 1016665073. The reversal of 1016665064 is 4605666101.

1016665064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1006792900 + 9872164 = 31730^2 + 3142^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2190857 + ... + 2191320.

Almost surely, 2^1016665064 is an apocalyptic number.

It is an amenable number.

1016665064 is a deficient number, since it is larger than the sum of its proper divisors (955315036).

1016665064 is a wasteful number, since it uses less digits than its factorization.

1016665064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4382212 (or 4382208 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 1016665064 is about 31885.1856510198. The cubic root of 1016665064 is about 1005.5244456327.

The spelling of 1016665064 in words is "one billion, sixteen million, six hundred sixty-five thousand, sixty-four".