66703701100070 has 64 divisors (see below), whose sum is σ = 127265591033280. Its totient is φ = 25101608514048.

The previous prime is 66703701100067. The next prime is 66703701100087. The reversal of 66703701100070 is 7000110730766.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 66703701099997 and 66703701100033.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26848592 + ... + 29227628.

It is an arithmetic number, because the mean of its divisors is an integer number (1988524859895).

Almost surely, 2^{66703701100070} is an apocalyptic number.

66703701100070 is a deficient number, since it is larger than the sum of its proper divisors (60561889933210).

66703701100070 is a wasteful number, since it uses less digits than its factorization.

66703701100070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2380089.

The product of its (nonzero) digits is 37044, while the sum is 38.

The spelling of 66703701100070 in words is "sixty-six trillion, seven hundred three billion, seven hundred one million, one hundred thousand, seventy".