16434059616 has 72 divisors (see below), whose sum is σ = 50329319040. Its totient is φ = 5056632576.

The previous prime is 16434059611. The next prime is 16434059639. The reversal of 16434059616 is 61695043461.

16434059616 is a `hidden beast` number, since 1 + 6 + 4 + 3 + 40 + 596 + 16 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16434059611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2190976 + ... + 2198463.

It is an arithmetic number, because the mean of its divisors is an integer number (699018320).

Almost surely, 2^16434059616 is an apocalyptic number.

16434059616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16434059616 is an abundant number, since it is smaller than the sum of its proper divisors (33895259424).

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

16434059616 is a wasteful number, since it uses less digits than its factorization.

16434059616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4389468 (or 4389457 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 16434059616 in words is "sixteen billion, four hundred thirty-four million, fifty-nine thousand, six hundred sixteen".