61082163 has 12 divisors (see below), whose sum is σ = 88428808. Its totient is φ = 40629600.

The previous prime is 61082143. The next prime is 61082171. The reversal of 61082163 is 36128016.

It is not a de Polignac number, because 61082163 - 2⁸ = 61081907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61082113) 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 11 ways as a sum of consecutive naturals, for example, 3313 + ... + 11538.

Almost surely, 2^61082163 is an apocalyptic number.

61082163 is a deficient number, since it is larger than the sum of its proper divisors (27346645).

61082163 is a wasteful number, since it uses less digits than its factorization.

61082163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15314 (or 15311 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 61082163 is about 7815.5078529805. The cubic root of 61082163 is about 393.8263791362.

The spelling of 61082163 in words is "sixty-one million, eighty-two thousand, one hundred sixty-three".