1051330664 has 8 divisors (see below), whose sum is σ = 1971245010. Its totient is φ = 525665328.

The previous prime is 1051330661. The next prime is 1051330699. The reversal of 1051330664 is 4660331501.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 950488900 + 100841764 = 30830^2 + 10042^2 .

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

It is a super-4 number, since 4×1051330664⁴ (a number of 37 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (1051330661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65708159 + ... + 65708174.

Almost surely, 2^1051330664 is an apocalyptic number.

It is an amenable number.

1051330664 is a deficient number, since it is larger than the sum of its proper divisors (919914346).

1051330664 is a wasteful number, since it uses less digits than its factorization.

1051330664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131416339 (or 131416335 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 1051330664 is about 32424.2295822121. The cubic root of 1051330664 is about 1016.8255349452.

The spelling of 1051330664 in words is "one billion, fifty-one million, three hundred thirty thousand, six hundred sixty-four".