16335535452 has 12 divisors (see below), whose sum is σ = 38116249416. Its totient is φ = 5445178480.

The previous prime is 16335535429. The next prime is 16335535471. The reversal of 16335535452 is 25453553361.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 680647299 + ... + 680647322.

It is an arithmetic number, because the mean of its divisors is an integer number (3176354118).

Almost surely, 2^16335535452 is an apocalyptic number.

16335535452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16335535452 is an abundant number, since it is smaller than the sum of its proper divisors (21780713964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16335535452 is a wasteful number, since it uses less digits than its factorization.

16335535452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1361294628 (or 1361294626 counting only the distinct ones).

The product of its digits is 810000, while the sum is 42.

The spelling of 16335535452 in words is "sixteen billion, three hundred thirty-five million, five hundred thirty-five thousand, four hundred fifty-two".