1068067667 has 4 divisors (see below), whose sum is σ = 1078437360. Its totient is φ = 1057697976.

The previous prime is 1068067657. The next prime is 1068067681. The reversal of 1068067667 is 7667608601.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1068067667 is a prime.

It is a super-2 number, since 2×1068067667² = 2281537082581645778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1068067657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5184692 + ... + 5184897.

It is an arithmetic number, because the mean of its divisors is an integer number (269609340).

Almost surely, 2^1068067667 is an apocalyptic number.

1068067667 is a deficient number, since it is larger than the sum of its proper divisors (10369693).

1068067667 is a wasteful number, since it uses less digits than its factorization.

1068067667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10369692.

The product of its (nonzero) digits is 508032, while the sum is 47.

The square root of 1068067667 is about 32681.3045486254. The cubic root of 1068067667 is about 1022.1930473903.

The spelling of 1068067667 in words is "one billion, sixty-eight million, sixty-seven thousand, six hundred sixty-seven".