4897191366 has 64 divisors (see below), whose sum is σ = 11466124800. Its totient is φ = 1545036768.

The previous prime is 4897191323. The next prime is 4897191389. The reversal of 4897191366 is 6631917984.

4897191366 is a `hidden beast` number, since 4 + 8 + 97 + 191 + 366 = 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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1828020 + ... + 1830696.

It is an arithmetic number, because the mean of its divisors is an integer number (179158200).

Almost surely, 2^4897191366 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4897191366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5733062400).

4897191366 is an abundant number, since it is smaller than the sum of its proper divisors (6568933434).

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

4897191366 is a wasteful number, since it uses less digits than its factorization.

4897191366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4490 (or 4484 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 4897191366 is about 69979.9354529568. The cubic root of 4897191366 is about 1698.1746689424.

The spelling of 4897191366 in words is "four billion, eight hundred ninety-seven million, one hundred ninety-one thousand, three hundred sixty-six".