16545652103403 has 24 divisors (see below), whose sum is σ = 24674252593536. Its totient is φ = 10672869225600.

The previous prime is 16545652103389. The next prime is 16545652103411. The reversal of 16545652103403 is 30430125654561.

It is a happy number.

16545652103403 is a `hidden beast` number, since 1 + 6 + 5 + 456 + 52 + 103 + 40 + 3 = 666.

It is not a de Polignac number, because 16545652103403 - 2⁸ = 16545652103147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16545652103413) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3136500 + ... + 6552017.

It is an arithmetic number, because the mean of its divisors is an integer number (1028093858064).

Almost surely, 2^{16545652103403} is an apocalyptic number.

16545652103403 is a deficient number, since it is larger than the sum of its proper divisors (8128600490133).

16545652103403 is a wasteful number, since it uses less digits than its factorization.

16545652103403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9694675 (or 9694672 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 45.

Adding to 16545652103403 its reverse (30430125654561), we get a palindrome (46975777757964).

The spelling of 16545652103403 in words is "sixteen trillion, five hundred forty-five billion, six hundred fifty-two million, one hundred three thousand, four hundred three".