1001616664 has 8 divisors (see below), whose sum is σ = 1878031260. Its totient is φ = 500808328.

The previous prime is 1001616653. The next prime is 1001616689. The reversal of 1001616664 is 4666161001.

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

It is a congruent number.

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 as a sum of consecutive naturals, namely, 62601034 + ... + 62601049.

Almost surely, 2^1001616664 is an apocalyptic number.

It is an amenable number.

1001616664 is a deficient number, since it is larger than the sum of its proper divisors (876414596).

1001616664 is a wasteful number, since it uses less digits than its factorization.

1001616664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125202089 (or 125202085 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 1001616664 is about 31648.3279811114. The cubic root of 1001616664 is about 1000.5385978603.

Adding to 1001616664 its reverse (4666161001), we get a palindrome (5667777665).

The spelling of 1001616664 in words is "one billion, one million, six hundred sixteen thousand, six hundred sixty-four".