6662057 has 8 divisors (see below), whose sum is σ = 6786696. Its totient is φ = 6538752.

The previous prime is 6662041. The next prime is 6662059. The reversal of 6662057 is 7502666.

It can be written as a sum of positive squares in 4 ways, for example, as 2725801 + 3936256 = 1651^2 + 1984^2 .

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 6662057 - 2⁴ = 6662041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6662059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16583 + ... + 16979.

It is an arithmetic number, because the mean of its divisors is an integer number (848337).

Almost surely, 2^6662057 is an apocalyptic number.

It is an amenable number.

6662057 is a deficient number, since it is larger than the sum of its proper divisors (124639).

6662057 is a wasteful number, since it uses less digits than its factorization.

6662057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 6662057 is about 2581.0960849995. The cubic root of 6662057 is about 188.1638171502.

The spelling of 6662057 in words is "six million, six hundred sixty-two thousand, fifty-seven".