61162166 has 16 divisors (see below), whose sum is σ = 99782928. Its totient is φ = 27948000.

The previous prime is 61162151. The next prime is 61162187. The reversal of 61162166 is 66126116.

61162166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 9020 + ... + 14271.

It is an arithmetic number, because the mean of its divisors is an integer number (6236433).

Almost surely, 2^61162166 is an apocalyptic number.

61162166 is a deficient number, since it is larger than the sum of its proper divisors (38620762).

61162166 is a wasteful number, since it uses less digits than its factorization.

61162166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23407.

The product of its digits is 2592, while the sum is 29.

The square root of 61162166 is about 7820.6243996244. The cubic root of 61162166 is about 393.9982435267.

The spelling of 61162166 in words is "sixty-one million, one hundred sixty-two thousand, one hundred sixty-six".