66141670 has 48 divisors (see below), whose sum is σ = 139248720. Its totient is φ = 22553664.

The previous prime is 66141667. The next prime is 66141689. The reversal of 66141670 is 7614166.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 169836 + ... + 170224.

It is an arithmetic number, because the mean of its divisors is an integer number (2901015).

Almost surely, 2^66141670 is an apocalyptic number.

66141670 is an abundant number, since it is smaller than the sum of its proper divisors (73107050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66141670 is a wasteful number, since it uses less digits than its factorization.

66141670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757 (or 750 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 66141670 is about 8132.7529164484. The cubic root of 66141670 is about 404.4129481828.

The spelling of 66141670 in words is "sixty-six million, one hundred forty-one thousand, six hundred seventy".