1668425009176 has 16 divisors (see below), whose sum is σ = 3171150275400. Its totient is φ = 822784935744.

The previous prime is 1668425009129. The next prime is 1668425009177. The reversal of 1668425009176 is 6719005248661.

It is a super-2 number, since 2×1668425009176² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1668425009177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1428445486 + ... + 1428446653.

Almost surely, 2^{1668425009176} is an apocalyptic number.

It is an amenable number.

1668425009176 is a deficient number, since it is larger than the sum of its proper divisors (1502725266224).

1668425009176 is a wasteful number, since it uses less digits than its factorization.

1668425009176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2856892218 (or 2856892214 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 55.

The spelling of 1668425009176 in words is "one trillion, six hundred sixty-eight billion, four hundred twenty-five million, nine thousand, one hundred seventy-six".