1668425092524 has 18 divisors (see below), whose sum is σ = 4217407872860. Its totient is φ = 556141697496.

The previous prime is 1668425092511. The next prime is 1668425092573. The reversal of 1668425092524 is 4252905248661.

1668425092524 is a `hidden beast` number, since 1 + 6 + 6 + 8 + 4 + 25 + 0 + 92 + 524 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23172570694 + ... + 23172570765.

Almost surely, 2^{1668425092524} is an apocalyptic number.

It is an amenable number.

1668425092524 is an abundant number, since it is smaller than the sum of its proper divisors (2548982780336).

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

1668425092524 is a wasteful number, since it uses less digits than its factorization.

1668425092524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46345141469 (or 46345141464 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 54.

The spelling of 1668425092524 in words is "one trillion, six hundred sixty-eight billion, four hundred twenty-five million, ninety-two thousand, five hundred twenty-four".