66107116 has 12 divisors (see below), whose sum is σ = 115747632. Its totient is φ = 33036368.

The previous prime is 66107113. The next prime is 66107131. The reversal of 66107116 is 61170166.

It is not an unprimeable number, because it can be changed into a prime (66107113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8766 + ... + 14458.

It is an arithmetic number, because the mean of its divisors is an integer number (9645636).

Almost surely, 2^66107116 is an apocalyptic number.

It is an amenable number.

66107116 is a deficient number, since it is larger than the sum of its proper divisors (49640516).

66107116 is a wasteful number, since it uses less digits than its factorization.

66107116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8600 (or 8598 counting only the distinct ones).

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

The square root of 66107116 is about 8130.6282660075. The cubic root of 66107116 is about 404.3425108968.

The spelling of 66107116 in words is "sixty-six million, one hundred seven thousand, one hundred sixteen".