6603216123057 has 16 divisors (see below), whose sum is σ = 8905228535808. Its totient is φ = 4351929442640.

The previous prime is 6603216123047. The next prime is 6603216123061. The reversal of 6603216123057 is 7503216123066.

It is a de Polignac number, because none of the positive numbers 2^k-6603216123057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6603216123047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31839753 + ... + 32046470.

It is an arithmetic number, because the mean of its divisors is an integer number (556576783488).

Almost surely, 2^{6603216123057} is an apocalyptic number.

It is an amenable number.

6603216123057 is a deficient number, since it is larger than the sum of its proper divisors (2302012412751).

6603216123057 is a wasteful number, since it uses less digits than its factorization.

6603216123057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63886620.

The product of its (nonzero) digits is 272160, while the sum is 42.

Subtracting 6603216123057 from its reverse (7503216123066), we obtain a palindrome (900000000009).

The spelling of 6603216123057 in words is "six trillion, six hundred three billion, two hundred sixteen million, one hundred twenty-three thousand, fifty-seven".