16030421568 has 336 divisors, whose sum is σ = 53834751360. Its totient is φ = 4466368512.

The previous prime is 16030421557. The next prime is 16030421579. The reversal of 16030421568 is 86512403061.

It is a happy number.

16030421568 is a `hidden beast` number, since 1 + 60 + 30 + 4 + 2 + 1 + 568 = 666.

It is an interprime number because it is at equal distance from previous prime (16030421557) and next prime (16030421579).

It is a tau number, because it is divible by the number of its divisors (336).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31493698 + ... + 31494206.

Almost surely, 2^16030421568 is an apocalyptic number.

16030421568 is a gapful number since it is divisible by the number (18) 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 16030421568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26917375680).

16030421568 is an abundant number, since it is smaller than the sum of its proper divisors (37804329792).

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

16030421568 is a wasteful number, since it uses less digits than its factorization.

16030421568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714 (or 701 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 16030421568 in words is "sixteen billion, thirty million, four hundred twenty-one thousand, five hundred sixty-eight".