61675666 has 16 divisors (see below), whose sum is σ = 99759744. Its totient is φ = 28428624.

The previous prime is 61675661. The next prime is 61675667. The reversal of 61675666 is 66657616.

It is not an unprimeable number, because it can be changed into a prime (61675661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36165 + ... + 37831.

It is an arithmetic number, because the mean of its divisors is an integer number (6234984).

Almost surely, 2^61675666 is an apocalyptic number.

61675666 is a deficient number, since it is larger than the sum of its proper divisors (38084078).

61675666 is a wasteful number, since it uses less digits than its factorization.

61675666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3105.

The product of its digits is 272160, while the sum is 43.

The square root of 61675666 is about 7853.3856393278. The cubic root of 61675666 is about 395.0978041207.

The spelling of 61675666 in words is "sixty-one million, six hundred seventy-five thousand, six hundred sixty-six".