67493610112691 has 16 divisors (see below), whose sum is σ = 81197217638400. Its totient is φ = 54805560683328.

The previous prime is 67493610112667. The next prime is 67493610112727. The reversal of 67493610112691 is 19621101639476.

It is not a de Polignac number, because 67493610112691 - 2¹⁸ = 67493609850547 is a prime.

It is a super-2 number, since 2×67493610112691² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67493610112601) 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, 194531 + ... + 11620028.

It is an arithmetic number, because the mean of its divisors is an integer number (5074826102400).

Almost surely, 2^{67493610112691} is an apocalyptic number.

67493610112691 is a deficient number, since it is larger than the sum of its proper divisors (13703607525709).

67493610112691 is a wasteful number, since it uses less digits than its factorization.

67493610112691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11857538.

The product of its (nonzero) digits is 2939328, while the sum is 56.

The spelling of 67493610112691 in words is "sixty-seven trillion, four hundred ninety-three billion, six hundred ten million, one hundred twelve thousand, six hundred ninety-one".