6561068 has 6 divisors (see below), whose sum is σ = 11481876. Its totient is φ = 3280532.

The previous prime is 6561019. The next prime is 6561073. The reversal of 6561068 is 8601656.

It is a super-2 number, since 2×6561068² = 86095226601248, which contains 22 as substring.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 820130 + ... + 820137.

It is an arithmetic number, because the mean of its divisors is an integer number (1913646).

Almost surely, 2^6561068 is an apocalyptic number.

It is an amenable number.

6561068 is a deficient number, since it is larger than the sum of its proper divisors (4920808).

6561068 is a wasteful number, since it uses less digits than its factorization.

6561068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1640271 (or 1640269 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 6561068 is about 2561.4581784601. The cubic root of 6561068 is about 187.2081908292.

The spelling of 6561068 in words is "six million, five hundred sixty-one thousand, sixty-eight".