67669036912368 has 80 divisors (see below), whose sum is σ = 194287318863360. Its totient is φ = 22550292955584.

The previous prime is 67669036912331. The next prime is 67669036912447. The reversal of 67669036912368 is 86321963096676.

It is a happy number.

67669036912368 is a `hidden beast` number, since 6 + 7 + 66 + 90 + 36 + 91 + 2 + 368 = 666.

It is a super-2 number, since 2×67669036912368² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 67669036912296 and 67669036912305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19404330 + ... + 22624457.

It is an arithmetic number, because the mean of its divisors is an integer number (2428591485792).

Almost surely, 2^{67669036912368} is an apocalyptic number.

It is an amenable number.

67669036912368 is an abundant number, since it is smaller than the sum of its proper divisors (126618281950992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67669036912368 is a wasteful number, since it uses less digits than its factorization.

67669036912368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42032531 (or 42032519 counting only the distinct ones).

The product of its (nonzero) digits is 634894848, while the sum is 72.

The spelling of 67669036912368 in words is "sixty-seven trillion, six hundred sixty-nine billion, thirty-six million, nine hundred twelve thousand, three hundred sixty-eight".