1522996661 has 16 divisors (see below), whose sum is σ = 1643653440. Its totient is φ = 1406522880.

The previous prime is 1522996637. The next prime is 1522996679. The reversal of 1522996661 is 1666992251.

It is a de Polignac number, because none of the positive numbers 2^k-1522996661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1522996061) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 499301 + ... + 502341.

It is an arithmetic number, because the mean of its divisors is an integer number (102728340).

Almost surely, 2^1522996661 is an apocalyptic number.

It is an amenable number.

1522996661 is a deficient number, since it is larger than the sum of its proper divisors (120656779).

1522996661 is a wasteful number, since it uses less digits than its factorization.

1522996661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3716.

The product of its digits is 349920, while the sum is 47.

The square root of 1522996661 is about 39025.5898225767. The cubic root of 1522996661 is about 1150.5345117008.

The spelling of 1522996661 in words is "one billion, five hundred twenty-two million, nine hundred ninety-six thousand, six hundred sixty-one".