16545200735412 has 36 divisors (see below), whose sum is σ = 41867609767620. Its totient is φ = 5509130337792.

The previous prime is 16545200735359. The next prime is 16545200735423. The reversal of 16545200735412 is 21453700254561.

16545200735412 is a `hidden beast` number, since 1 + 6 + 5 + 4 + 520 + 0 + 73 + 54 + 1 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 237866896656 + 16307333838756 = 487716^2 + 4038234^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 247323343 + ... + 247390230.

Almost surely, 2^{16545200735412} is an apocalyptic number.

16545200735412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16545200735412 is an abundant number, since it is smaller than the sum of its proper divisors (25322409032208).

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

16545200735412 is a wasteful number, since it uses less digits than its factorization.

16545200735412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494714512 (or 494714507 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 45.

Adding to 16545200735412 its reverse (21453700254561), we get a palindrome (37998900989973).

The spelling of 16545200735412 in words is "sixteen trillion, five hundred forty-five billion, two hundred million, seven hundred thirty-five thousand, four hundred twelve".