67927069260661 has 24 divisors (see below), whose sum is σ = 73638903897216. Its totient is φ = 62629700814720.

The previous prime is 67927069260623. The next prime is 67927069260733. The reversal of 67927069260661 is 16606296072976.

It is a de Polignac number, because none of the positive numbers 2^k-67927069260661 is a prime.

It is a super-2 number, since 2×67927069260661² (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 (67927069263661) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 798338641 + ... + 798423721.

It is an arithmetic number, because the mean of its divisors is an integer number (3068287662384).

Almost surely, 2^{67927069260661} is an apocalyptic number.

It is an amenable number.

67927069260661 is a deficient number, since it is larger than the sum of its proper divisors (5711834636555).

67927069260661 is a wasteful number, since it uses less digits than its factorization.

67927069260661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90493 (or 90480 counting only the distinct ones).

The product of its (nonzero) digits is 123451776, while the sum is 67.

The spelling of 67927069260661 in words is "sixty-seven trillion, nine hundred twenty-seven billion, sixty-nine million, two hundred sixty thousand, six hundred sixty-one".