61566332 has 24 divisors (see below), whose sum is σ = 109205712. Its totient is φ = 30368000.

The previous prime is 61566319. The next prime is 61566343. The reversal of 61566332 is 23366516.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 153332 + ... + 153732.

It is an arithmetic number, because the mean of its divisors is an integer number (4550238).

Almost surely, 2^61566332 is an apocalyptic number.

It is an amenable number.

61566332 is a deficient number, since it is larger than the sum of its proper divisors (47639380).

61566332 is a wasteful number, since it uses less digits than its factorization.

61566332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829 (or 827 counting only the distinct ones).

The product of its digits is 19440, while the sum is 32.

The square root of 61566332 is about 7846.4216047827. The cubic root of 61566332 is about 394.8641994317.

The spelling of 61566332 in words is "sixty-one million, five hundred sixty-six thousand, three hundred thirty-two".