16545200430320 has 40 divisors (see below), whose sum is σ = 38472231104736. Its totient is φ = 6617281874688.

The previous prime is 16545200430233. The next prime is 16545200430389. The reversal of 16545200430320 is 2303400254561.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×16545200430320² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11805812 + ... + 13132691.

Almost surely, 2^{16545200430320} is an apocalyptic number.

16545200430320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16545200430320 is an abundant number, since it is smaller than the sum of its proper divisors (21927030674416).

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

16545200430320 is a wasteful number, since it uses less digits than its factorization.

16545200430320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24946809 (or 24946803 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 16545200430320 its reverse (2303400254561), we get a palindrome (18848600684881).

The spelling of 16545200430320 in words is "sixteen trillion, five hundred forty-five billion, two hundred million, four hundred thirty thousand, three hundred twenty".