2991136622 has 8 divisors (see below), whose sum is σ = 4488210000. Its totient is φ = 1495066624.

The previous prime is 2991136619. The next prime is 2991136627. The reversal of 2991136622 is 2266311992.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2991136622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2991136627) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 243347 + ... + 255342.

It is an arithmetic number, because the mean of its divisors is an integer number (561026250).

Almost surely, 2^2991136622 is an apocalyptic number.

2991136622 is a deficient number, since it is larger than the sum of its proper divisors (1497073378).

2991136622 is a wasteful number, since it uses less digits than its factorization.

2991136622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501690.

The product of its digits is 69984, while the sum is 41.

The square root of 2991136622 is about 54691.2846987525. The cubic root of 2991136622 is about 1440.8278133110.

The spelling of 2991136622 in words is "two billion, nine hundred ninety-one million, one hundred thirty-six thousand, six hundred twenty-two".