16012459008 has 528 divisors, whose sum is σ = 58023050176. Its totient is φ = 4140564480.

The previous prime is 16012459007. The next prime is 16012459039. The reversal of 16012459008 is 80095421061.

16012459008 is a `hidden beast` number, since 1 + 60 + 1 + 2 + 4 + 590 + 0 + 8 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16012459007) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51157860 + ... + 51158172.

Almost surely, 2^16012459008 is an apocalyptic number.

16012459008 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 16012459008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29011525088).

16012459008 is an abundant number, since it is smaller than the sum of its proper divisors (42010591168).

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

16012459008 is a wasteful number, since it uses less digits than its factorization.

16012459008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420 (or 399 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The spelling of 16012459008 in words is "sixteen billion, twelve million, four hundred fifty-nine thousand, eight".