1668334932 has 108 divisors (see below), whose sum is σ = 4651182900. Its totient is φ = 503838720.

The previous prime is 1668334903. The next prime is 1668334949. The reversal of 1668334932 is 2394338661.

It can be written as a sum of positive squares in 2 ways, for example, as 485937936 + 1182396996 = 22044^2 + 34386^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1955418 + ... + 1956270.

Almost surely, 2^1668334932 is an apocalyptic number.

1668334932 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1668334932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2325591450).

1668334932 is an abundant number, since it is smaller than the sum of its proper divisors (2982847968).

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

1668334932 is a wasteful number, since it uses less digits than its factorization.

1668334932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334 (or 1318 counting only the distinct ones).

The product of its digits is 559872, while the sum is 45.

The square root of 1668334932 is about 40845.2559301567. The cubic root of 1668334932 is about 1186.0265590334.

It can be divided in two parts, 16683 and 34932, that added together give a palindrome (51615).

The spelling of 1668334932 in words is "one billion, six hundred sixty-eight million, three hundred thirty-four thousand, nine hundred thirty-two".