66769414701 has 16 divisors (see below), whose sum is σ = 97131460608. Its totient is φ = 40461182000.

The previous prime is 66769414687. The next prime is 66769414711. The reversal of 66769414701 is 10741496766.

It is a cyclic number.

It is not a de Polignac number, because 66769414701 - 2⁶ = 66769414637 is a prime.

It is a super-2 number, since 2×66769414701² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66769414711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144676 + ... + 393026.

It is an arithmetic number, because the mean of its divisors is an integer number (6070716288).

Almost surely, 2^66769414701 is an apocalyptic number.

It is an amenable number.

66769414701 is a deficient number, since it is larger than the sum of its proper divisors (30362045907).

66769414701 is a wasteful number, since it uses less digits than its factorization.

66769414701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256512.

The product of its (nonzero) digits is 1524096, while the sum is 51.

The spelling of 66769414701 in words is "sixty-six billion, seven hundred sixty-nine million, four hundred fourteen thousand, seven hundred one".