4507999616 has 64 divisors (see below), whose sum is σ = 9527518080. Its totient is φ = 2117296128.

The previous prime is 4507999591. The next prime is 4507999621. The reversal of 4507999616 is 6169997054.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×4507999616² = 40644121075712294912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1319126 + ... + 1322538.

It is an arithmetic number, because the mean of its divisors is an integer number (148867470).

Almost surely, 2^4507999616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4507999616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4763759040).

4507999616 is an abundant number, since it is smaller than the sum of its proper divisors (5019518464).

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

4507999616 is a wasteful number, since it uses less digits than its factorization.

4507999616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4051 (or 4039 counting only the distinct ones).

The product of its (nonzero) digits is 3674160, while the sum is 56.

The square root of 4507999616 is about 67141.6384667518. The cubic root of 4507999616 is about 1651.9413471663.

The spelling of 4507999616 in words is "four billion, five hundred seven million, nine hundred ninety-nine thousand, six hundred sixteen".