66707070070 has 16 divisors (see below), whose sum is σ = 123946040448. Its totient is φ = 25822091520.

The previous prime is 66707070043. The next prime is 66707070077. The reversal of 66707070070 is 7007070766.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66707070077) 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, 107591739 + ... + 107592358.

It is an arithmetic number, because the mean of its divisors is an integer number (7746627528).

Almost surely, 2^66707070070 is an apocalyptic number.

66707070070 is a deficient number, since it is larger than the sum of its proper divisors (57238970378).

66707070070 is a wasteful number, since it uses less digits than its factorization.

66707070070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215184135.

The product of its (nonzero) digits is 86436, while the sum is 40.

The spelling of 66707070070 in words is "sixty-six billion, seven hundred seven million, seventy thousand, seventy".