1068236786 has 16 divisors (see below), whose sum is σ = 1697515704. Its totient is φ = 502431744.

The previous prime is 1068236759. The next prime is 1068236801. The reversal of 1068236786 is 6876328601.

It can be written as a sum of positive squares in 4 ways, for example, as 576240025 + 491996761 = 24005^2 + 22181^2 .

It is a super-2 number, since 2×1068236786² = 2282259661927219592, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1068236786.

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, 65906 + ... + 80498.

Almost surely, 2^1068236786 is an apocalyptic number.

1068236786 is a deficient number, since it is larger than the sum of its proper divisors (629278918).

1068236786 is a wasteful number, since it uses less digits than its factorization.

1068236786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16765.

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 1068236786 is about 32683.8918429247. The cubic root of 1068236786 is about 1022.2469962639.

The spelling of 1068236786 in words is "one billion, sixty-eight million, two hundred thirty-six thousand, seven hundred eighty-six".