3021666243 has 8 divisors (see below), whose sum is σ = 4051396800. Its totient is φ = 2003189928.

The previous prime is 3021666119. The next prime is 3021666313. The reversal of 3021666243 is 3426661203.

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

It is not a de Polignac number, because 3021666243 - 2¹⁴ = 3021649859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3021616243) 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, 2812933 + ... + 2814006.

It is an arithmetic number, because the mean of its divisors is an integer number (506424600).

Almost surely, 2^3021666243 is an apocalyptic number.

3021666243 is a deficient number, since it is larger than the sum of its proper divisors (1029730557).

3021666243 is a wasteful number, since it uses less digits than its factorization.

3021666243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5627121.

The product of its (nonzero) digits is 31104, while the sum is 33.

The square root of 3021666243 is about 54969.6847635131. The cubic root of 3021666243 is about 1445.7132596995.

The spelling of 3021666243 in words is "three billion, twenty-one million, six hundred sixty-six thousand, two hundred forty-three".