66703410434071 has 4 divisors (see below), whose sum is σ = 67642895088144. Its totient is φ = 65763925780000.

The previous prime is 66703410434041. The next prime is 66703410434081. The reversal of 66703410434071 is 17043401430766.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 66703410434071 - 2⁷ = 66703410433943 is a prime.

It is a super-2 number, since 2×66703410434071² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66703410434041) 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, 469742326930 + ... + 469742327071.

It is an arithmetic number, because the mean of its divisors is an integer number (16910723772036).

Almost surely, 2^{66703410434071} is an apocalyptic number.

66703410434071 is a deficient number, since it is larger than the sum of its proper divisors (939484654073).

66703410434071 is an equidigital number, since it uses as much as digits as its factorization.

66703410434071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939484654072.

The product of its (nonzero) digits is 1016064, while the sum is 46.

The spelling of 66703410434071 in words is "sixty-six trillion, seven hundred three billion, four hundred ten million, four hundred thirty-four thousand, seventy-one".