2533660663351 has 24 divisors (see below), whose sum is σ = 2701330538400. Its totient is φ = 2375827006464.

The previous prime is 2533660663337. The next prime is 2533660663361. The reversal of 2533660663351 is 1533660663352.

It is not a de Polignac number, because 2533660663351 - 2¹³ = 2533660655159 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2533660663295 and 2533660663304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2533660663321) 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, 80039175 + ... + 80070823.

It is an arithmetic number, because the mean of its divisors is an integer number (112555439100).

Almost surely, 2^{2533660663351} is an apocalyptic number.

2533660663351 is a deficient number, since it is larger than the sum of its proper divisors (167669875049).

2533660663351 is a wasteful number, since it uses less digits than its factorization.

2533660663351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33943 (or 33924 counting only the distinct ones).

The product of its (nonzero) digits is 5248800, while the sum is 49.

Subtracting from 2533660663351 its reverse (1533660663352), we obtain a palindrome (999999999999).

The spelling of 2533660663351 in words is "two trillion, five hundred thirty-three billion, six hundred sixty million, six hundred sixty-three thousand, three hundred fifty-one".