16253064420 has 48 divisors (see below), whose sum is σ = 45536225280. Its totient is φ = 4331517696.

The previous prime is 16253064391. The next prime is 16253064437. The reversal of 16253064420 is 2446035261.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18336 + ... + 181224.

It is an arithmetic number, because the mean of its divisors is an integer number (948671360).

Almost surely, 2^16253064420 is an apocalyptic number.

16253064420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16253064420 is an abundant number, since it is smaller than the sum of its proper divisors (29283160860).

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

16253064420 is a wasteful number, since it uses less digits than its factorization.

16253064420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164564 (or 164562 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 16253064420 its reverse (2446035261), we get a palindrome (18699099681).

The spelling of 16253064420 in words is "sixteen billion, two hundred fifty-three million, sixty-four thousand, four hundred twenty".