66860092 has 24 divisors (see below), whose sum is σ = 126521136. Its totient is φ = 30732288.

The previous prime is 66860077. The next prime is 66860111. The reversal of 66860092 is 29006866.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10863 + ... + 15865.

It is an arithmetic number, because the mean of its divisors is an integer number (5271714).

Almost surely, 2^66860092 is an apocalyptic number.

It is an amenable number.

66860092 is a deficient number, since it is larger than the sum of its proper divisors (59661044).

66860092 is a wasteful number, since it uses less digits than its factorization.

66860092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5277 (or 5275 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 66860092 is about 8176.8020643770. The cubic root of 66860092 is about 405.8719050385.

The spelling of 66860092 in words is "sixty-six million, eight hundred sixty thousand, ninety-two".