1068561604 has 24 divisors (see below), whose sum is σ = 2045570688. Its totient is φ = 484379040.

The previous prime is 1068561601. The next prime is 1068561607. The reversal of 1068561604 is 4061658601.

It is an interprime number because it is at equal distance from previous prime (1068561601) and next prime (1068561607).

It is a super-2 number, since 2×1068561604² = 2283647803086105632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1068561601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16939 + ... + 49234.

It is an arithmetic number, because the mean of its divisors is an integer number (85232112).

Almost surely, 2^1068561604 is an apocalyptic number.

It is an amenable number.

1068561604 is a deficient number, since it is larger than the sum of its proper divisors (977009084).

1068561604 is a wasteful number, since it uses less digits than its factorization.

1068561604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66555 (or 66553 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 1068561604 is about 32688.8605491228. The cubic root of 1068561604 is about 1022.3505970697.

The spelling of 1068561604 in words is "one billion, sixty-eight million, five hundred sixty-one thousand, six hundred four".