16145521477207 has 2 divisors, whose sum is σ = 16145521477208. Its totient is φ = 16145521477206.

The previous prime is 16145521477097. The next prime is 16145521477399. The reversal of 16145521477207 is 70277412554161.

16145521477207 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16145521477207 - 2⁴³ = 7349428454999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16145521477507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8072760738603 + 8072760738604.

It is an arithmetic number, because the mean of its divisors is an integer number (8072760738604).

Almost surely, 2^{16145521477207} is an apocalyptic number.

16145521477207 is a deficient number, since it is larger than the sum of its proper divisors (1).

16145521477207 is an equidigital number, since it uses as much as digits as its factorization.

16145521477207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3292800, while the sum is 52.

The spelling of 16145521477207 in words is "sixteen trillion, one hundred forty-five billion, five hundred twenty-one million, four hundred seventy-seven thousand, two hundred seven".