1063006664 has 8 divisors (see below), whose sum is σ = 1993137510. Its totient is φ = 531503328.

The previous prime is 1063006643. The next prime is 1063006667. The reversal of 1063006664 is 4666003601.

It can be written as a sum of positive squares in only one way, i.e., 963605764 + 99400900 = 31042^2 + 9970^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1063006664² = 2259966335416817792, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1063006664.

It is not an unprimeable number, because it can be changed into a prime (1063006667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66437909 + ... + 66437924.

Almost surely, 2^1063006664 is an apocalyptic number.

It is an amenable number.

1063006664 is a deficient number, since it is larger than the sum of its proper divisors (930130846).

1063006664 is a wasteful number, since it uses less digits than its factorization.

1063006664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132875839 (or 132875835 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 1063006664 is about 32603.7829706922. The cubic root of 1063006664 is about 1020.5759479552.

The spelling of 1063006664 in words is "one billion, sixty-three million, six thousand, six hundred sixty-four".