16204136133 has 8 divisors (see below), whose sum is σ = 21608100448. Its totient is φ = 10801464624.

The previous prime is 16204136131. The next prime is 16204136147. The reversal of 16204136133 is 33163140261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16204136133 - 2¹ = 16204136131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16204136133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16204136131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293566 + ... + 344367.

It is an arithmetic number, because the mean of its divisors is an integer number (2701012556).

Almost surely, 2^16204136133 is an apocalyptic number.

It is an amenable number.

16204136133 is a deficient number, since it is larger than the sum of its proper divisors (5403964315).

16204136133 is an equidigital number, since it uses as much as digits as its factorization.

16204136133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646403.

The product of its (nonzero) digits is 7776, while the sum is 30.

Adding to 16204136133 its reverse (33163140261), we get a palindrome (49367276394).

The spelling of 16204136133 in words is "sixteen billion, two hundred four million, one hundred thirty-six thousand, one hundred thirty-three".