3001943661 has 8 divisors (see below), whose sum is σ = 4013499264. Its totient is φ = 1995841920.

The previous prime is 3001943641. The next prime is 3001943689. The reversal of 3001943661 is 1663491003.

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

It is not a de Polignac number, because 3001943661 - 2¹⁴ = 3001927277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3001943611) 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 7 ways as a sum of consecutive naturals, for example, 1362180 + ... + 1364381.

It is an arithmetic number, because the mean of its divisors is an integer number (501687408).

Almost surely, 2^3001943661 is an apocalyptic number.

It is an amenable number.

3001943661 is a deficient number, since it is larger than the sum of its proper divisors (1011555603).

3001943661 is a wasteful number, since it uses less digits than its factorization.

3001943661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2726931.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 3001943661 is about 54789.9959937943. The cubic root of 3001943661 is about 1442.5609746479.

The spelling of 3001943661 in words is "three billion, one million, nine hundred forty-three thousand, six hundred sixty-one".