1068312178 has 4 divisors (see below), whose sum is σ = 1602468270. Its totient is φ = 534156088.

The previous prime is 1068312127. The next prime is 1068312227. The reversal of 1068312178 is 8712138601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1024448049 + 43864129 = 32007^2 + 6623^2 .

It is a super-2 number, since 2×1068312178² = 2282581819326207368, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267078043 + ... + 267078046.

Almost surely, 2^1068312178 is an apocalyptic number.

1068312178 is a deficient number, since it is larger than the sum of its proper divisors (534156092).

1068312178 is an equidigital number, since it uses as much as digits as its factorization.

1068312178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534156091.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 1068312178 is about 32685.0451735958. The cubic root of 1068312178 is about 1022.2710444379.

The spelling of 1068312178 in words is "one billion, sixty-eight million, three hundred twelve thousand, one hundred seventy-eight".