4991567682 has 16 divisors (see below), whose sum is σ = 10038292992. Its totient is φ = 1654662960.

The previous prime is 4991567677. The next prime is 4991567723. The reversal of 4991567682 is 2867651994.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2297058 + ... + 2299229.

It is an arithmetic number, because the mean of its divisors is an integer number (627393312).

Almost surely, 2^4991567682 is an apocalyptic number.

4991567682 is an abundant number, since it is smaller than the sum of its proper divisors (5046725310).

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

4991567682 is a wasteful number, since it uses less digits than its factorization.

4991567682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4596473.

The product of its digits is 6531840, while the sum is 57.

The square root of 4991567682 is about 70651.0274659895. The cubic root of 4991567682 is about 1709.0141350568.

The spelling of 4991567682 in words is "four billion, nine hundred ninety-one million, five hundred sixty-seven thousand, six hundred eighty-two".