16545715901063 has 2 divisors, whose sum is σ = 16545715901064. Its totient is φ = 16545715901062.

The previous prime is 16545715901059. The next prime is 16545715901087. The reversal of 16545715901063 is 36010951754561.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16545715901063 - 2² = 16545715901059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16545715900996 and 16545715901014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16545715903063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8272857950531 + 8272857950532.

It is an arithmetic number, because the mean of its divisors is an integer number (8272857950532).

Almost surely, 2^{16545715901063} is an apocalyptic number.

16545715901063 is a deficient number, since it is larger than the sum of its proper divisors (1).

16545715901063 is an equidigital number, since it uses as much as digits as its factorization.

16545715901063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3402000, while the sum is 53.

The spelling of 16545715901063 in words is "sixteen trillion, five hundred forty-five billion, seven hundred fifteen million, nine hundred one thousand, sixty-three".