1566212132 has 12 divisors (see below), whose sum is σ = 2829286656. Its totient is φ = 757844520.

The previous prime is 1566212111. The next prime is 1566212189. The reversal of 1566212132 is 2312126651.

It is a junction number, because it is equal to n+sod(n) for n = 1566212095 and 1566212104.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6315248 + ... + 6315495.

It is an arithmetic number, because the mean of its divisors is an integer number (235773888).

Almost surely, 2^1566212132 is an apocalyptic number.

It is an amenable number.

1566212132 is a deficient number, since it is larger than the sum of its proper divisors (1263074524).

1566212132 is a wasteful number, since it uses less digits than its factorization.

1566212132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12630778 (or 12630776 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 1566212132 is about 39575.3980649595. The cubic root of 1566212132 is about 1161.3154251212.

Adding to 1566212132 its reverse (2312126651), we get a palindrome (3878338783).

The spelling of 1566212132 in words is "one billion, five hundred sixty-six million, two hundred twelve thousand, one hundred thirty-two".