6662997 has 48 divisors (see below), whose sum is σ = 11524032. Its totient is φ = 3663360.

The previous prime is 6662993. The next prime is 6663029. The reversal of 6662997 is 7992666.

It is not a de Polignac number, because 6662997 - 2² = 6662993 is a prime.

6662997 is a modest number, since divided by 2997 gives 666 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6662993) 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 47 ways as a sum of consecutive naturals, for example, 62218 + ... + 62324.

It is an arithmetic number, because the mean of its divisors is an integer number (240084).

Almost surely, 2^6662997 is an apocalyptic number.

It is an amenable number.

6662997 is a deficient number, since it is larger than the sum of its proper divisors (4861035).

6662997 is a wasteful number, since it uses less digits than its factorization.

6662997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178 (or 175 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 6662997 is about 2581.2781717591. The cubic root of 6662997 is about 188.1726665526.

It can be divided in two parts, 666 and 2997, that added together give a palindrome (3663).

The spelling of 6662997 in words is "six million, six hundred sixty-two thousand, nine hundred ninety-seven".