4891662048 has 192 divisors, whose sum is σ = 15931883520. Its totient is φ = 1279660032.

The previous prime is 4891661987. The next prime is 4891662077. The reversal of 4891662048 is 8402661984.

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

It is a junction number, because it is equal to n+sod(n) for n = 4891661988 and 4891662006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1107268 + ... + 1111676.

It is an arithmetic number, because the mean of its divisors is an integer number (82978560).

Almost surely, 2^4891662048 is an apocalyptic number.

4891662048 is a gapful number since it is divisible by the number (48) 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 4891662048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7965941760).

4891662048 is an abundant number, since it is smaller than the sum of its proper divisors (11040221472).

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

4891662048 is a wasteful number, since it uses less digits than its factorization.

4891662048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4569 (or 4561 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 48.

The square root of 4891662048 is about 69940.4178426180. The cubic root of 4891662048 is about 1697.5353035590.

The spelling of 4891662048 in words is "four billion, eight hundred ninety-one million, six hundred sixty-two thousand, forty-eight".