66076416743 has 16 divisors (see below), whose sum is σ = 66613814400. Its totient is φ = 65542211424.

The previous prime is 66076416719. The next prime is 66076416779. The reversal of 66076416743 is 34761467066.

It is a cyclic number.

It is not a de Polignac number, because 66076416743 - 2⁸ = 66076416487 is a prime.

It is a super-2 number, since 2×66076416743² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66076416691 and 66076416700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66076416143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102762380 + ... + 102763022.

It is an arithmetic number, because the mean of its divisors is an integer number (4163363400).

Almost surely, 2^66076416743 is an apocalyptic number.

66076416743 is a deficient number, since it is larger than the sum of its proper divisors (537397657).

66076416743 is a wasteful number, since it uses less digits than its factorization.

66076416743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2078.

The product of its (nonzero) digits is 3048192, while the sum is 50.

The spelling of 66076416743 in words is "sixty-six billion, seventy-six million, four hundred sixteen thousand, seven hundred forty-three".