1566312132 has 48 divisors (see below), whose sum is σ = 4556547072. Its totient is φ = 406834080.

The previous prime is 1566312091. The next prime is 1566312211. The reversal of 1566312132 is 2312136651.

It is a self number, because there is not a number n which added to its sum of digits gives 1566312132.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 846648 + ... + 848495.

It is an arithmetic number, because the mean of its divisors is an integer number (94928064).

Almost surely, 2^1566312132 is an apocalyptic number.

1566312132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1566312132 is an abundant number, since it is smaller than the sum of its proper divisors (2990234940).

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

1566312132 is a wasteful number, since it uses less digits than its factorization.

1566312132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1695168 (or 1695166 counting only the distinct ones).

The product of its digits is 6480, while the sum is 30.

The square root of 1566312132 is about 39576.6614559642. The cubic root of 1566312132 is about 1161.3401406049.

Adding to 1566312132 its reverse (2312136651), we get a palindrome (3878448783).

The spelling of 1566312132 in words is "one billion, five hundred sixty-six million, three hundred twelve thousand, one hundred thirty-two".