1566968132 has 24 divisors (see below), whose sum is σ = 2908604664. Its totient is φ = 736100352.

The previous prime is 1566968101. The next prime is 1566968147. The reversal of 1566968132 is 2318696651.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1228923136 + 338044996 = 35056^2 + 18386^2 .

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 19268 + ... + 59204.

It is an arithmetic number, because the mean of its divisors is an integer number (121191861).

Almost surely, 2^1566968132 is an apocalyptic number.

It is an amenable number.

1566968132 is a deficient number, since it is larger than the sum of its proper divisors (1341636532).

1566968132 is a wasteful number, since it uses less digits than its factorization.

1566968132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40535 (or 40533 counting only the distinct ones).

The product of its digits is 466560, while the sum is 47.

The square root of 1566968132 is about 39584.9483010904. The cubic root of 1566968132 is about 1161.5022480980.

The spelling of 1566968132 in words is "one billion, five hundred sixty-six million, nine hundred sixty-eight thousand, one hundred thirty-two".