16545730245717 has 32 divisors (see below), whose sum is σ = 23132066348160. Its totient is φ = 10507792942080.

The previous prime is 16545730245689. The next prime is 16545730245727. The reversal of 16545730245717 is 71754203754561.

It is not a de Polignac number, because 16545730245717 - 2¹⁹ = 16545729721429 is a prime.

It is a super-2 number, since 2×16545730245717² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16545730245727) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15940393 + ... + 16946609.

It is an arithmetic number, because the mean of its divisors is an integer number (722877073380).

Almost surely, 2^{16545730245717} is an apocalyptic number.

It is an amenable number.

16545730245717 is a deficient number, since it is larger than the sum of its proper divisors (6586336102443).

16545730245717 is a wasteful number, since it uses less digits than its factorization.

16545730245717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009413.

The product of its (nonzero) digits is 24696000, while the sum is 57.

The spelling of 16545730245717 in words is "sixteen trillion, five hundred forty-five billion, seven hundred thirty million, two hundred forty-five thousand, seven hundred seventeen".