20170016576625 has 64 divisors (see below), whose sum is σ = 33808920477696. Its totient is φ = 10678663800000.

The previous prime is 20170016576617. The next prime is 20170016576641. The reversal of 20170016576625 is 52667561007102.

It is not a de Polignac number, because 20170016576625 - 2³ = 20170016576617 is a prime.

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 63 ways as a sum of consecutive naturals, for example, 46816944 + ... + 47245806.

It is an arithmetic number, because the mean of its divisors is an integer number (528264382464).

Almost surely, 2^{20170016576625} is an apocalyptic number.

20170016576625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20170016576625 is a deficient number, since it is larger than the sum of its proper divisors (13638903901071).

20170016576625 is a wasteful number, since it uses less digits than its factorization.

20170016576625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429799 (or 429789 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 48.

The spelling of 20170016576625 in words is "twenty trillion, one hundred seventy billion, sixteen million, five hundred seventy-six thousand, six hundred twenty-five".