16008378013 has 2 divisors, whose sum is σ = 16008378014. Its totient is φ = 16008378012.

The previous prime is 16008377939. The next prime is 16008378041. The reversal of 16008378013 is 31087380061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15568301529 + 440076484 = 124773^2 + 20978^2 .

It is a cyclic number.

It is not a de Polignac number, because 16008378013 - 2³³ = 7418443421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16008328013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8004189006 + 8004189007.

It is an arithmetic number, because the mean of its divisors is an integer number (8004189007).

Almost surely, 2^16008378013 is an apocalyptic number.

It is an amenable number.

16008378013 is a deficient number, since it is larger than the sum of its proper divisors (1).

16008378013 is an equidigital number, since it uses as much as digits as its factorization.

16008378013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 37.

The spelling of 16008378013 in words is "sixteen billion, eight million, three hundred seventy-eight thousand, thirteen".