61216132 has 12 divisors (see below), whose sum is σ = 107186716. Its totient is φ = 30591360.

The previous prime is 61216063. The next prime is 61216153. The reversal of 61216132 is 23161216.

It can be written as a sum of positive squares in 2 ways, for example, as 60466176 + 749956 = 7776^2 + 866^2 .

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 3 ways as a sum of consecutive naturals, for example, 8032 + ... + 13672.

Almost surely, 2^61216132 is an apocalyptic number.

It is an amenable number.

61216132 is a deficient number, since it is larger than the sum of its proper divisors (45970584).

61216132 is a wasteful number, since it uses less digits than its factorization.

61216132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8358 (or 8356 counting only the distinct ones).

The product of its digits is 432, while the sum is 22.

The square root of 61216132 is about 7824.0738749069. The cubic root of 61216132 is about 394.1140899727.

Adding to 61216132 its reverse (23161216), we get a palindrome (84377348).

The spelling of 61216132 in words is "sixty-one million, two hundred sixteen thousand, one hundred thirty-two".