66370142 has 16 divisors (see below), whose sum is σ = 106051680. Its totient is φ = 31043328.

The previous prime is 66370141. The next prime is 66370147. The reversal of 66370142 is 24107366.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66370141) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 167 + ... + 11522.

It is an arithmetic number, because the mean of its divisors is an integer number (6628230).

Almost surely, 2^66370142 is an apocalyptic number.

66370142 is a deficient number, since it is larger than the sum of its proper divisors (39681538).

66370142 is a wasteful number, since it uses less digits than its factorization.

66370142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11875.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 66370142 is about 8146.7872195118. The cubic root of 66370142 is about 404.8780652077.

The spelling of 66370142 in words is "sixty-six million, three hundred seventy thousand, one hundred forty-two".