16520364379 has 2 divisors, whose sum is σ = 16520364380. Its totient is φ = 16520364378.

The previous prime is 16520364331. The next prime is 16520364383. The reversal of 16520364379 is 97346302561.

16520364379 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16520364379 - 2²³ = 16511975771 is a prime.

It is not a weakly prime, because it can be changed into another prime (16520364079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8260182189 + 8260182190.

It is an arithmetic number, because the mean of its divisors is an integer number (8260182190).

Almost surely, 2^16520364379 is an apocalyptic number.

16520364379 is a deficient number, since it is larger than the sum of its proper divisors (1).

16520364379 is an equidigital number, since it uses as much as digits as its factorization.

16520364379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 816480, while the sum is 46.

The spelling of 16520364379 in words is "sixteen billion, five hundred twenty million, three hundred sixty-four thousand, three hundred seventy-nine".