67000403666667 has 16 divisors (see below), whose sum is σ = 90632341013760. Its totient is φ = 44018260020000.

The previous prime is 67000403666663. The next prime is 67000403666671. The reversal of 67000403666667 is 76666630400076.

It is an interprime number because it is at equal distance from previous prime (67000403666663) and next prime (67000403666671).

It is not a de Polignac number, because 67000403666667 - 2² = 67000403666663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (67000403666663) 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, 69390792 + ... + 70349717.

It is an arithmetic number, because the mean of its divisors is an integer number (5664521313360).

Almost surely, 2^{67000403666667} is an apocalyptic number.

67000403666667 is a deficient number, since it is larger than the sum of its proper divisors (23631937347093).

67000403666667 is a wasteful number, since it uses less digits than its factorization.

67000403666667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139742834.

The product of its (nonzero) digits is 27433728, while the sum is 57.

The spelling of 67000403666667 in words is "sixty-seven trillion, four hundred three million, six hundred sixty-six thousand, six hundred sixty-seven".