4330161991 has 8 divisors (see below), whose sum is σ = 4385672784. Its totient is φ = 4274899200.

The previous prime is 4330161977. The next prime is 4330162027. The reversal of 4330161991 is 1991610334.

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

It is a cyclic number.

It is not a de Polignac number, because 4330161991 - 2¹³ = 4330153799 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4330161991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4330161931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26730 + ... + 96823.

It is an arithmetic number, because the mean of its divisors is an integer number (548209098).

Almost surely, 2^4330161991 is an apocalyptic number.

4330161991 is a deficient number, since it is larger than the sum of its proper divisors (55510793).

4330161991 is a wasteful number, since it uses less digits than its factorization.

4330161991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124001.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 4330161991 is about 65803.9663774153. The cubic root of 4330161991 is about 1629.9266017610.

The spelling of 4330161991 in words is "four billion, three hundred thirty million, one hundred sixty-one thousand, nine hundred ninety-one".