4991546112 has 432 divisors, whose sum is σ = 16553456640. Its totient is φ = 1328431104.

The previous prime is 4991546101. The next prime is 4991546117. The reversal of 4991546112 is 2116451994.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4991546117) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 63184089 + ... + 63184167.

Almost surely, 2^4991546112 is an apocalyptic number.

4991546112 is a gapful number since it is divisible by the number (42) 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 4991546112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8276728320).

4991546112 is an abundant number, since it is smaller than the sum of its proper divisors (11561910528).

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

4991546112 is a wasteful number, since it uses less digits than its factorization.

4991546112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208 (or 187 counting only the distinct ones).

The product of its digits is 77760, while the sum is 42.

The square root of 4991546112 is about 70650.8748141168. The cubic root of 4991546112 is about 1709.0116733394.

The spelling of 4991546112 in words is "four billion, nine hundred ninety-one million, five hundred forty-six thousand, one hundred twelve".