4645171666025 has 12 divisors (see below), whose sum is σ = 6283650399504. Its totient is φ = 3378306666000.

The previous prime is 4645171666013. The next prime is 4645171666043. The reversal of 4645171666025 is 5206661715464.

It is not a de Polignac number, because 4645171666025 - 2³⁸ = 4370293759081 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8445766391 + ... + 8445766940.

It is an arithmetic number, because the mean of its divisors is an integer number (523637533292).

Almost surely, 2^{4645171666025} is an apocalyptic number.

It is an amenable number.

4645171666025 is a deficient number, since it is larger than the sum of its proper divisors (1638478733479).

4645171666025 is a wasteful number, since it uses less digits than its factorization.

4645171666025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16891533352 (or 16891533347 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 53.

The spelling of 4645171666025 in words is "four trillion, six hundred forty-five billion, one hundred seventy-one million, six hundred sixty-six thousand, twenty-five".