16065355452 has 48 divisors (see below), whose sum is σ = 39041275392. Its totient is φ = 5136989760.

The previous prime is 16065355451. The next prime is 16065355477. The reversal of 16065355452 is 25455356061.

It is a super-2 number, since 2×16065355452² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16065355451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223288 + ... + 286335.

It is an arithmetic number, because the mean of its divisors is an integer number (813359904).

Almost surely, 2^16065355452 is an apocalyptic number.

16065355452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16065355452 is an abundant number, since it is smaller than the sum of its proper divisors (22975919940).

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

16065355452 is a wasteful number, since it uses less digits than its factorization.

16065355452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509738 (or 509736 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 42.

The spelling of 16065355452 in words is "sixteen billion, sixty-five million, three hundred fifty-five thousand, four hundred fifty-two".