1004166025623 has 12 divisors (see below), whose sum is σ = 1450490258880. Its totient is φ = 669430991616.

The previous prime is 1004166025619. The next prime is 1004166025649. The reversal of 1004166025623 is 3265206614001.

1004166025623 is a `hidden beast` number, since 1 + 0 + 0 + 4 + 1 + 6 + 6 + 0 + 25 + 623 = 666.

It is not a de Polignac number, because 1004166025623 - 2² = 1004166025619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004166025663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 585063 + ... + 1533176.

It is an arithmetic number, because the mean of its divisors is an integer number (120874188240).

Almost surely, 2^{1004166025623} is an apocalyptic number.

1004166025623 is a deficient number, since it is larger than the sum of its proper divisors (446324233257).

1004166025623 is a wasteful number, since it uses less digits than its factorization.

1004166025623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2170918 (or 2170915 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 1004166025623 in words is "one trillion, four billion, one hundred sixty-six million, twenty-five thousand, six hundred twenty-three".