1068152791 has 4 divisors (see below), whose sum is σ = 1068382000. Its totient is φ = 1067923584.

The previous prime is 1068152783. The next prime is 1068152861. The reversal of 1068152791 is 1972518601.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1068152791 - 2³ = 1068152783 is a prime.

It is a super-2 number, since 2×1068152791² = 2281900769842179362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1068152731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107466 + ... + 116983.

It is an arithmetic number, because the mean of its divisors is an integer number (267095500).

Almost surely, 2^1068152791 is an apocalyptic number.

1068152791 is a deficient number, since it is larger than the sum of its proper divisors (229209).

1068152791 is an equidigital number, since it uses as much as digits as its factorization.

1068152791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229208.

The product of its (nonzero) digits is 30240, while the sum is 40.

The square root of 1068152791 is about 32682.6068574708. The cubic root of 1068152791 is about 1022.2202026141.

The spelling of 1068152791 in words is "one billion, sixty-eight million, one hundred fifty-two thousand, seven hundred ninety-one".