6662351 has 4 divisors (see below), whose sum is σ = 7054272. Its totient is φ = 6270432.

The previous prime is 6662347. The next prime is 6662353. The reversal of 6662351 is 1532666.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1532666 = 2 ⋅766333.

It is a cyclic number.

It is not a de Polignac number, because 6662351 - 2² = 6662347 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6662353) 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 3 ways as a sum of consecutive naturals, for example, 195935 + ... + 195968.

It is an arithmetic number, because the mean of its divisors is an integer number (1763568).

Almost surely, 2^6662351 is an apocalyptic number.

6662351 is a deficient number, since it is larger than the sum of its proper divisors (391921).

6662351 is a wasteful number, since it uses less digits than its factorization.

6662351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391920.

The product of its digits is 6480, while the sum is 29.

The square root of 6662351 is about 2581.1530369197. The cubic root of 6662351 is about 188.1665850314.

The spelling of 6662351 in words is "six million, six hundred sixty-two thousand, three hundred fifty-one".