16053561420 has 192 divisors, whose sum is σ = 50435911680. Its totient is φ = 3788467200.

The previous prime is 16053561409. The next prime is 16053561421. The reversal of 16053561420 is 2416535061.

It is not an unprimeable number, because it can be changed into a prime (16053561421) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2632575 + ... + 2638665.

It is an arithmetic number, because the mean of its divisors is an integer number (262687040).

Almost surely, 2^16053561420 is an apocalyptic number.

16053561420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16053561420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25217955840).

16053561420 is an abundant number, since it is smaller than the sum of its proper divisors (34382350260).

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

16053561420 is a wasteful number, since it uses less digits than its factorization.

16053561420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6256 (or 6254 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 16053561420 in words is "sixteen billion, fifty-three million, five hundred sixty-one thousand, four hundred twenty".