6021661171 has 4 divisors (see below), whose sum is σ = 6375876552. Its totient is φ = 5667445792.

The previous prime is 6021661169. The next prime is 6021661183. The reversal of 6021661171 is 1711661206.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1711661206 = 2 ⋅855830603.

It is a cyclic number.

It is not a de Polignac number, because 6021661171 - 2¹ = 6021661169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6021661111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177107665 + ... + 177107698.

It is an arithmetic number, because the mean of its divisors is an integer number (1593969138).

Almost surely, 2^6021661171 is an apocalyptic number.

6021661171 is a deficient number, since it is larger than the sum of its proper divisors (354215381).

6021661171 is a wasteful number, since it uses less digits than its factorization.

6021661171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354215380.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 6021661171 is about 77599.3632125934. The cubic root of 6021661171 is about 1819.3046865959.

The spelling of 6021661171 in words is "six billion, twenty-one million, six hundred sixty-one thousand, one hundred seventy-one".