1068431558 has 16 divisors (see below), whose sum is σ = 1703884896. Its totient is φ = 501346560.

The previous prime is 1068431557. The next prime is 1068431563. The reversal of 1068431558 is 8551348601.

It is a super-2 number, since 2×1068431558² = 2283091988260614728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1068431557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216683 + ... + 221558.

It is an arithmetic number, because the mean of its divisors is an integer number (106492806).

Almost surely, 2^1068431558 is an apocalyptic number.

1068431558 is a deficient number, since it is larger than the sum of its proper divisors (635453338).

1068431558 is a wasteful number, since it uses less digits than its factorization.

1068431558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438319.

The product of its (nonzero) digits is 115200, while the sum is 41.

The square root of 1068431558 is about 32686.8713400350. The cubic root of 1068431558 is about 1022.3091213766.

The spelling of 1068431558 in words is "one billion, sixty-eight million, four hundred thirty-one thousand, five hundred fifty-eight".