16545655721041 has 8 divisors (see below), whose sum is σ = 17476581588224. Its totient is φ = 15639554543760.

The previous prime is 16545655720973. The next prime is 16545655721047. The reversal of 16545655721041 is 14012755654561.

16545655721041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16545655721041 - 2¹¹ = 16545655718993 is a prime.

It is a super-2 number, since 2×16545655721041² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16545655721041.

It is not an unprimeable number, because it can be changed into a prime (16545655721047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6206171106 + ... + 6206173771.

It is an arithmetic number, because the mean of its divisors is an integer number (2184572698528).

Almost surely, 2^{16545655721041} is an apocalyptic number.

It is an amenable number.

16545655721041 is a deficient number, since it is larger than the sum of its proper divisors (930925867183).

16545655721041 is a wasteful number, since it uses less digits than its factorization.

16545655721041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12412344951.

The product of its (nonzero) digits is 5040000, while the sum is 52.

The spelling of 16545655721041 in words is "sixteen trillion, five hundred forty-five billion, six hundred fifty-five million, seven hundred twenty-one thousand, forty-one".