1668334344 has 16 divisors (see below), whose sum is σ = 4170835920. Its totient is φ = 556111440.

The previous prime is 1668334333. The next prime is 1668334361. The reversal of 1668334344 is 4434338661.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1668334296 and 1668334305.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34756942 + ... + 34756989.

It is an arithmetic number, because the mean of its divisors is an integer number (260677245).

Almost surely, 2^1668334344 is an apocalyptic number.

It is an amenable number.

1668334344 is an abundant number, since it is smaller than the sum of its proper divisors (2502501576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1668334344 is a wasteful number, since it uses less digits than its factorization.

1668334344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69513940 (or 69513936 counting only the distinct ones).

The product of its digits is 497664, while the sum is 42.

The square root of 1668334344 is about 40845.2487322577. The cubic root of 1668334344 is about 1186.0264196961.

The spelling of 1668334344 in words is "one billion, six hundred sixty-eight million, three hundred thirty-four thousand, three hundred forty-four".