4007681167999 has 4 divisors (see below), whose sum is σ = 4007689803936. Its totient is φ = 4007672532064.

The previous prime is 4007681167979. The next prime is 4007681168059. The reversal of 4007681167999 is 9997611867004.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4007681167999 - 2⁹ = 4007681167487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4007681167979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3579799 + ... + 4564024.

It is an arithmetic number, because the mean of its divisors is an integer number (1001922450984).

Almost surely, 2^{4007681167999} is an apocalyptic number.

4007681167999 is a deficient number, since it is larger than the sum of its proper divisors (8635937).

4007681167999 is an equidigital number, since it uses as much as digits as its factorization.

4007681167999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8635936.

The product of its (nonzero) digits is 41150592, while the sum is 67.

The spelling of 4007681167999 in words is "four trillion, seven billion, six hundred eighty-one million, one hundred sixty-seven thousand, nine hundred ninety-nine".