67065072687811 has 16 divisors (see below), whose sum is σ = 78406169810688. Its totient is φ = 56741307084000.

The previous prime is 67065072687793. The next prime is 67065072687841. The reversal of 67065072687811 is 11878627056076.

It is not a de Polignac number, because 67065072687811 - 2²¹ = 67065070590659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67065072687841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3582143865 + ... + 3582162586.

It is an arithmetic number, because the mean of its divisors is an integer number (4900385613168).

Almost surely, 2^{67065072687811} is an apocalyptic number.

67065072687811 is a deficient number, since it is larger than the sum of its proper divisors (11341097122877).

67065072687811 is a wasteful number, since it uses less digits than its factorization.

67065072687811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7164306522.

The product of its (nonzero) digits is 47416320, while the sum is 64.

The spelling of 67065072687811 in words is "sixty-seven trillion, sixty-five billion, seventy-two million, six hundred eighty-seven thousand, eight hundred eleven".