16546055405531 has 2 divisors, whose sum is σ = 16546055405532. Its totient is φ = 16546055405530.

The previous prime is 16546055405521. The next prime is 16546055405623. The reversal of 16546055405531 is 13550455064561.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16546055405531 is a prime.

It is a super-2 number, since 2×16546055405531² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16546055405531.

It is not a weakly prime, because it can be changed into another prime (16546055405521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8273027702765 + 8273027702766.

It is an arithmetic number, because the mean of its divisors is an integer number (8273027702766).

Almost surely, 2^{16546055405531} is an apocalyptic number.

16546055405531 is a deficient number, since it is larger than the sum of its proper divisors (1).

16546055405531 is an equidigital number, since it uses as much as digits as its factorization.

16546055405531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400000, while the sum is 50.

The spelling of 16546055405531 in words is "sixteen trillion, five hundred forty-six billion, fifty-five million, four hundred five thousand, five hundred thirty-one".