16545054477222 has 24 divisors (see below), whose sum is σ = 35848907350776. Its totient is φ = 5514819802656.

The previous prime is 16545054477221. The next prime is 16545054477227. The reversal of 16545054477222 is 22277445054561.

16545054477222 is a `hidden beast` number, since 1 + 6 + 5 + 4 + 5 + 0 + 544 + 7 + 72 + 22 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16545054477221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16014903 + ... + 17016674.

It is an arithmetic number, because the mean of its divisors is an integer number (1493704472949).

Almost surely, 2^{16545054477222} is an apocalyptic number.

16545054477222 is an abundant number, since it is smaller than the sum of its proper divisors (19303852873554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16545054477222 is a wasteful number, since it uses less digits than its factorization.

16545054477222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33059412 (or 33059409 counting only the distinct ones).

The product of its (nonzero) digits is 18816000, while the sum is 54.

The spelling of 16545054477222 in words is "sixteen trillion, five hundred forty-five billion, fifty-four million, four hundred seventy-seven thousand, two hundred twenty-two".