61166245 has 8 divisors (see below), whose sum is σ = 83885184. Its totient is φ = 41942544.

The previous prime is 61166213. The next prime is 61166297. The reversal of 61166245 is 54266116.

61166245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 61166245 - 2⁵ = 61166213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 873769 + ... + 873838.

It is an arithmetic number, because the mean of its divisors is an integer number (10485648).

Almost surely, 2^61166245 is an apocalyptic number.

It is an amenable number.

61166245 is a deficient number, since it is larger than the sum of its proper divisors (22718939).

61166245 is a wasteful number, since it uses less digits than its factorization.

61166245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1747619.

The product of its digits is 8640, while the sum is 31.

The square root of 61166245 is about 7820.8851800803. The cubic root of 61166245 is about 394.0070021173.

The spelling of 61166245 in words is "sixty-one million, one hundred sixty-six thousand, two hundred forty-five".