16547545045623 has 16 divisors (see below), whose sum is σ = 22690364090240. Its totient is φ = 10719018264096.

The previous prime is 16547545045541. The next prime is 16547545045631. The reversal of 16547545045623 is 32654054574561.

It is a de Polignac number, because none of the positive numbers 2^k-16547545045623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16547545045123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100781965 + ... + 100946022.

It is an arithmetic number, because the mean of its divisors is an integer number (1418147755640).

Almost surely, 2^{16547545045623} is an apocalyptic number.

16547545045623 is a deficient number, since it is larger than the sum of its proper divisors (6142819044617).

16547545045623 is a wasteful number, since it uses less digits than its factorization.

16547545045623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201728766.

The product of its (nonzero) digits is 60480000, while the sum is 57.

The spelling of 16547545045623 in words is "sixteen trillion, five hundred forty-seven billion, five hundred forty-five million, forty-five thousand, six hundred twenty-three".