61536165 has 16 divisors (see below), whose sum is σ = 98564928. Its totient is φ = 32783616.

The previous prime is 61536151. The next prime is 61536187. The reversal of 61536165 is 56163516.

It is not a de Polignac number, because 61536165 - 2⁷ = 61536037 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 17874 + ... + 21036.

It is an arithmetic number, because the mean of its divisors is an integer number (6160308).

Almost surely, 2^61536165 is an apocalyptic number.

It is an amenable number.

61536165 is a deficient number, since it is larger than the sum of its proper divisors (37028763).

61536165 is a wasteful number, since it uses less digits than its factorization.

61536165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4468.

The product of its digits is 16200, while the sum is 33.

The square root of 61536165 is about 7844.4990279813. The cubic root of 61536165 is about 394.7996954838.

The spelling of 61536165 in words is "sixty-one million, five hundred thirty-six thousand, one hundred sixty-five".