1522663664 has 40 divisors (see below), whose sum is σ = 3161657760. Its totient is φ = 708542208.

The previous prime is 1522663643. The next prime is 1522663691. The reversal of 1522663664 is 4663662251.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42299 + ... + 69530.

It is an arithmetic number, because the mean of its divisors is an integer number (79041444).

Almost surely, 2^1522663664 is an apocalyptic number.

It is an amenable number.

1522663664 is an abundant number, since it is smaller than the sum of its proper divisors (1638994096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1522663664 is a wasteful number, since it uses less digits than its factorization.

1522663664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111897 (or 111891 counting only the distinct ones).

The product of its digits is 311040, while the sum is 41.

The square root of 1522663664 is about 39021.3231964268. The cubic root of 1522663664 is about 1150.4506523646.

The spelling of 1522663664 in words is "one billion, five hundred twenty-two million, six hundred sixty-three thousand, six hundred sixty-four".