1068521604 has 24 divisors (see below), whose sum is σ = 2639877408. Its totient is φ = 335222400.

The previous prime is 1068521599. The next prime is 1068521627. The reversal of 1068521604 is 4061258601.

It is a super-2 number, since 2×1068521604² = 2283476836429465632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2618722 + ... + 2619129.

It is an arithmetic number, because the mean of its divisors is an integer number (109994892).

Almost surely, 2^1068521604 is an apocalyptic number.

It is an amenable number.

1068521604 is an abundant number, since it is smaller than the sum of its proper divisors (1571355804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1068521604 is a wasteful number, since it uses less digits than its factorization.

1068521604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5237875 (or 5237873 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 1068521604 is about 32688.2487141786. The cubic root of 1068521604 is about 1022.3378401905.

The spelling of 1068521604 in words is "one billion, sixty-eight million, five hundred twenty-one thousand, six hundred four".