6660701 has 4 divisors (see below), whose sum is σ = 6725472. Its totient is φ = 6595932.

The previous prime is 6660679. The next prime is 6660707. The reversal of 6660701 is 1070666.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1070666 = 2 ⋅535333.

It is a cyclic number.

It is not a de Polignac number, because 6660701 - 2¹⁰ = 6659677 is a prime.

It is a super-2 number, since 2×6660701² = 88729875622802, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6660707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32231 + ... + 32436.

It is an arithmetic number, because the mean of its divisors is an integer number (1681368).

Almost surely, 2^6660701 is an apocalyptic number.

It is an amenable number.

6660701 is a deficient number, since it is larger than the sum of its proper divisors (64771).

6660701 is a wasteful number, since it uses less digits than its factorization.

6660701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64770.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 6660701 is about 2580.8333925304. The cubic root of 6660701 is about 188.1510499498.

The spelling of 6660701 in words is "six million, six hundred sixty thousand, seven hundred one".