16133965553 has 4 divisors (see below), whose sum is σ = 16177927680. Its totient is φ = 16090003428.

The previous prime is 16133965517. The next prime is 16133965567. The reversal of 16133965553 is 35556933161.

16133965553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16133965553 - 2⁶ = 16133965489 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16133965498 and 16133965507.

It is not an unprimeable number, because it can be changed into a prime (16136965553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21980513 + ... + 21981246.

It is an arithmetic number, because the mean of its divisors is an integer number (4044481920).

Almost surely, 2^16133965553 is an apocalyptic number.

It is an amenable number.

16133965553 is a deficient number, since it is larger than the sum of its proper divisors (43962127).

16133965553 is an equidigital number, since it uses as much as digits as its factorization.

16133965553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43962126.

The product of its digits is 1093500, while the sum is 47.

The spelling of 16133965553 in words is "sixteen billion, one hundred thirty-three million, nine hundred sixty-five thousand, five hundred fifty-three".