4554144815616 has 640 divisors, whose sum is σ = 15023525932800. Its totient is φ = 1350399098880.

The previous prime is 4554144815609. The next prime is 4554144815621. The reversal of 4554144815616 is 6165184414554.

4554144815616 is a `hidden beast` number, since 4 + 5 + 5 + 4 + 1 + 4 + 4 + 8 + 15 + 616 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5714108530 + ... + 5714109326.

It is an arithmetic number, because the mean of its divisors is an integer number (23474259270).

Almost surely, 2^{4554144815616} 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 4554144815616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7511762966400).

4554144815616 is an abundant number, since it is smaller than the sum of its proper divisors (10469381117184).

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

4554144815616 is a wasteful number, since it uses less digits than its factorization.

4554144815616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1597 (or 1575 counting only the distinct ones).

The product of its digits is 9216000, while the sum is 54.

The spelling of 4554144815616 in words is "four trillion, five hundred fifty-four billion, one hundred forty-four million, eight hundred fifteen thousand, six hundred sixteen".