61083866 has 8 divisors (see below), whose sum is σ = 91660800. Its totient is φ = 30530268.

The previous prime is 61083863. The next prime is 61083871. The reversal of 61083866 is 66838016.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (61083863) by changing a digit.

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, 4085 + ... + 11783.

It is an arithmetic number, because the mean of its divisors is an integer number (11457600).

Almost surely, 2^61083866 is an apocalyptic number.

61083866 is a deficient number, since it is larger than the sum of its proper divisors (30576934).

61083866 is a wasteful number, since it uses less digits than its factorization.

61083866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11668.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 61083866 is about 7815.6168022748. The cubic root of 61083866 is about 393.8300391250.

The spelling of 61083866 in words is "sixty-one million, eighty-three thousand, eight hundred sixty-six".