6561196 has 6 divisors (see below), whose sum is σ = 11482100. Its totient is φ = 3280596.

The previous prime is 6561193. The next prime is 6561197. The reversal of 6561196 is 6911656.

It is not an unprimeable number, because it can be changed into a prime (6561193) 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, 820146 + ... + 820153.

Almost surely, 2^6561196 is an apocalyptic number.

It is an amenable number.

6561196 is a deficient number, since it is larger than the sum of its proper divisors (4920904).

6561196 is a wasteful number, since it uses less digits than its factorization.

6561196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1640303 (or 1640301 counting only the distinct ones).

The product of its digits is 9720, while the sum is 34.

The square root of 6561196 is about 2561.4831641063. The cubic root of 6561196 is about 187.2094082373.

It can be divided in two parts, 6561 and 196, that multiplied together give a square (1285956 = 1134²).

The spelling of 6561196 in words is "six million, five hundred sixty-one thousand, one hundred ninety-six".