4991684160 has 448 divisors, whose sum is σ = 17775936000. Its totient is φ = 1180827648.

The previous prime is 4991684153. The next prime is 4991684239. The reversal of 4991684160 is 614861994.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 25083741 + ... + 25083939.

Almost surely, 2^4991684160 is an apocalyptic number.

4991684160 is a gapful number since it is divisible by the number (40) 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 4991684160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8887968000).

4991684160 is an abundant number, since it is smaller than the sum of its proper divisors (12784251840).

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

4991684160 is a wasteful number, since it uses less digits than its factorization.

4991684160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318 (or 308 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 48.

The square root of 4991684160 is about 70651.8517804028. The cubic root of 4991684160 is about 1709.0274282086.

The spelling of 4991684160 in words is "four billion, nine hundred ninety-one million, six hundred eighty-four thousand, one hundred sixty".