4645021199616 has 1440 divisors, whose sum is σ = 16867101081600. Its totient is φ = 1243722055680.

The previous prime is 4645021199597. The next prime is 4645021199653. The reversal of 4645021199616 is 6169911205464.

4645021199616 is a `hidden beast` number, since 4 + 6 + 4 + 5 + 0 + 2 + 1 + 19 + 9 + 616 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 25949839015 + ... + 25949839193.

It is an arithmetic number, because the mean of its divisors is an integer number (11713264640).

Almost surely, 2^{4645021199616} 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 4645021199616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8433550540800).

4645021199616 is an abundant number, since it is smaller than the sum of its proper divisors (12222079881984).

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

4645021199616 is a wasteful number, since it uses less digits than its factorization.

4645021199616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397 (or 374 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The spelling of 4645021199616 in words is "four trillion, six hundred forty-five billion, twenty-one million, one hundred ninety-nine thousand, six hundred sixteen".