61166066 has 32 divisors (see below), whose sum is σ = 101418240. Its totient is φ = 27495936.

The previous prime is 61166059. The next prime is 61166123. The reversal of 61166066 is 66066116.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199085 + ... + 199391.

It is an arithmetic number, because the mean of its divisors is an integer number (3169320).

Almost surely, 2^61166066 is an apocalyptic number.

61166066 is a deficient number, since it is larger than the sum of its proper divisors (40252174).

61166066 is a wasteful number, since it uses less digits than its factorization.

61166066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 61166066 is about 7820.8737363545. The cubic root of 61166066 is about 394.0066177696.

The spelling of 61166066 in words is "sixty-one million, one hundred sixty-six thousand, sixty-six".