1668425008435 has 24 divisors (see below), whose sum is σ = 2136178525680. Its totient is φ = 1250691608064.

The previous prime is 1668425008429. The next prime is 1668425008441. The reversal of 1668425008435 is 5348005248661.

It is an interprime number because it is at equal distance from previous prime (1668425008429) and next prime (1668425008441).

It is not a de Polignac number, because 1668425008435 - 2³ = 1668425008427 is a prime.

It is a super-2 number, since 2×1668425008435² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2215200 + ... + 2871229.

It is an arithmetic number, because the mean of its divisors is an integer number (89007438570).

Almost surely, 2^{1668425008435} is an apocalyptic number.

1668425008435 is a deficient number, since it is larger than the sum of its proper divisors (467753517245).

1668425008435 is a wasteful number, since it uses less digits than its factorization.

1668425008435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5086695 (or 5086678 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 52.

The spelling of 1668425008435 in words is "one trillion, six hundred sixty-eight billion, four hundred twenty-five million, eight thousand, four hundred thirty-five".