4008723208161 has 16 divisors (see below), whose sum is σ = 6110824541184. Its totient is φ = 2289838749264.

The previous prime is 4008723208153. The next prime is 4008723208169. The reversal of 4008723208161 is 1618023278004.

It is an interprime number because it is at equal distance from previous prime (4008723208153) and next prime (4008723208169).

It is not a de Polignac number, because 4008723208161 - 2³ = 4008723208153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4008723208169) 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 15 ways as a sum of consecutive naturals, for example, 35785531 + ... + 35897376.

It is an arithmetic number, because the mean of its divisors is an integer number (381926533824).

Almost surely, 2^{4008723208161} is an apocalyptic number.

It is an amenable number.

4008723208161 is a deficient number, since it is larger than the sum of its proper divisors (2102101333023).

4008723208161 is a wasteful number, since it uses less digits than its factorization.

4008723208161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71685580.

The product of its (nonzero) digits is 129024, while the sum is 42.

The spelling of 4008723208161 in words is "four trillion, eight billion, seven hundred twenty-three million, two hundred eight thousand, one hundred sixty-one".