4491656712 has 192 divisors, whose sum is σ = 13213724160. Its totient is φ = 1427673600.

The previous prime is 4491656693. The next prime is 4491656713. The reversal of 4491656712 is 2176561944.

It is not an unprimeable number, because it can be changed into a prime (4491656713) 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, 4398762 + ... + 4399782.

It is an arithmetic number, because the mean of its divisors is an integer number (68821480).

Almost surely, 2^4491656712 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 4491656712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6606862080).

4491656712 is an abundant number, since it is smaller than the sum of its proper divisors (8722067448).

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

4491656712 is a wasteful number, since it uses less digits than its factorization.

4491656712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146 (or 1130 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 4491656712 is about 67019.8232764008. The cubic root of 4491656712 is about 1649.9426624704.

The spelling of 4491656712 in words is "four billion, four hundred ninety-one million, six hundred fifty-six thousand, seven hundred twelve".