66434062703 has 4 divisors (see below), whose sum is σ = 66434715288. Its totient is φ = 66433410120.

The previous prime is 66434062627. The next prime is 66434062763. The reversal of 66434062703 is 30726043466.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 66434062703 - 2¹⁰ = 66434061679 is a prime.

It is a super-2 number, since 2×66434062703² (a number of 22 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 (66434062763) 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, 136976 + ... + 389397.

It is an arithmetic number, because the mean of its divisors is an integer number (16608678822).

Almost surely, 2^66434062703 is an apocalyptic number.

66434062703 is a deficient number, since it is larger than the sum of its proper divisors (652585).

66434062703 is a wasteful number, since it uses less digits than its factorization.

66434062703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652584.

The product of its (nonzero) digits is 435456, while the sum is 41.

The spelling of 66434062703 in words is "sixty-six billion, four hundred thirty-four million, sixty-two thousand, seven hundred three".