61171066 has 24 divisors (see below), whose sum is σ = 106796340. Its totient is φ = 26167680.

The previous prime is 61171037. The next prime is 61171073. The reversal of 61171066 is 66017116.

It can be written as a sum of positive squares in 2 ways, for example, as 61168041 + 3025 = 7821^2 + 55^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3321 + ... + 11548.

Almost surely, 2^61171066 is an apocalyptic number.

61171066 is a deficient number, since it is larger than the sum of its proper divisors (45625274).

61171066 is a wasteful number, since it uses less digits than its factorization.

61171066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14910 (or 14899 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 61171066 is about 7821.1933872012. The cubic root of 61171066 is about 394.0173534576.

The spelling of 61171066 in words is "sixty-one million, one hundred seventy-one thousand, sixty-six".