1068663914 has 4 divisors (see below), whose sum is σ = 1602995874. Its totient is φ = 534331956.

The previous prime is 1068663913. The next prime is 1068663971. The reversal of 1068663914 is 4193668601.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4193668601 = 30187 ⋅138923.

It can be written as a sum of positive squares in only one way, i.e., 687750625 + 380913289 = 26225^2 + 19517^2 .

It is a super-2 number, since 2×1068663914² = 2284085122171598792, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1068663913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267165977 + ... + 267165980.

Almost surely, 2^1068663914 is an apocalyptic number.

1068663914 is a deficient number, since it is larger than the sum of its proper divisors (534331960).

1068663914 is an equidigital number, since it uses as much as digits as its factorization.

1068663914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534331959.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 1068663914 is about 32690.4254178498. The cubic root of 1068663914 is about 1022.3832245293.

The spelling of 1068663914 in words is "one billion, sixty-eight million, six hundred sixty-three thousand, nine hundred fourteen".