1668369119 has 8 divisors (see below), whose sum is σ = 1758288000. Its totient is φ = 1578661272.

The previous prime is 1668369113. The next prime is 1668369121. The reversal of 1668369119 is 9119638661.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1668369119 is a prime.

It is a super-2 number, since 2×1668369119² = 5566911034465672322, 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 (1668369113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36389 + ... + 68270.

It is an arithmetic number, because the mean of its divisors is an integer number (219786000).

Almost surely, 2^1668369119 is an apocalyptic number.

1668369119 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1668369119 is a deficient number, since it is larger than the sum of its proper divisors (89918881).

1668369119 is a wasteful number, since it uses less digits than its factorization.

1668369119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105517.

The product of its digits is 419904, while the sum is 50.

The square root of 1668369119 is about 40845.6744221466. The cubic root of 1668369119 is about 1186.0346602070.

The spelling of 1668369119 in words is "one billion, six hundred sixty-eight million, three hundred sixty-nine thousand, one hundred nineteen".