1668342675 has 24 divisors (see below), whose sum is σ = 2764664320. Its totient is φ = 887738400.

The previous prime is 1668342667. The next prime is 1668342707. The reversal of 1668342675 is 5762438661.

It is not a de Polignac number, because 1668342675 - 2³ = 1668342667 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7590 + ... + 58260.

Almost surely, 2^1668342675 is an apocalyptic number.

1668342675 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1668342675 is a deficient number, since it is larger than the sum of its proper divisors (1096321645).

1668342675 is a wasteful number, since it uses less digits than its factorization.

1668342675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51123 (or 51118 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 48.

The square root of 1668342675 is about 40845.3507146162. The cubic root of 1668342675 is about 1186.0283938746.

The spelling of 1668342675 in words is "one billion, six hundred sixty-eight million, three hundred forty-two thousand, six hundred seventy-five".