6197668 has 6 divisors (see below), whose sum is σ = 10845926. Its totient is φ = 3098832.

The previous prime is 6197651. The next prime is 6197669. The reversal of 6197668 is 8667916.

It can be written as a sum of positive squares in only one way, i.e., 4460544 + 1737124 = 2112^2 + 1318^2 .

It is a super-2 number, since 2×6197668² = 76822177276448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6197669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 774705 + ... + 774712.

Almost surely, 2^6197668 is an apocalyptic number.

It is an amenable number.

6197668 is a deficient number, since it is larger than the sum of its proper divisors (4648258).

6197668 is a wasteful number, since it uses less digits than its factorization.

6197668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1549421 (or 1549419 counting only the distinct ones).

The product of its digits is 108864, while the sum is 43.

The square root of 6197668 is about 2489.5115986876. The cubic root of 6197668 is about 183.6860193434.

The spelling of 6197668 in words is "six million, one hundred ninety-seven thousand, six hundred sixty-eight".