1016668799 has 8 divisors (see below), whose sum is σ = 1076755680. Its totient is φ = 956613376.

The previous prime is 1016668691. The next prime is 1016668811. The reversal of 1016668799 is 9978666101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1016668799 - 2¹² = 1016664703 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1016668799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1016668999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105422 + ... + 114660.

It is an arithmetic number, because the mean of its divisors is an integer number (134594460).

Almost surely, 2^1016668799 is an apocalyptic number.

1016668799 is a deficient number, since it is larger than the sum of its proper divisors (60086881).

1016668799 is an equidigital number, since it uses as much as digits as its factorization.

1016668799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15729.

The product of its (nonzero) digits is 979776, while the sum is 53.

The square root of 1016668799 is about 31885.2442204854. The cubic root of 1016668799 is about 1005.5256769885.

The spelling of 1016668799 in words is "one billion, sixteen million, six hundred sixty-eight thousand, seven hundred ninety-nine".