85216668601 has 8 divisors (see below), whose sum is σ = 85510780544. Its totient is φ = 84922778160.

The previous prime is 85216668557. The next prime is 85216668619. The reversal of 85216668601 is 10686661258.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85216668601 - 2³¹ = 83069184953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85216663601) 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 7 ways as a sum of consecutive naturals, for example, 734755 + ... + 842791.

It is an arithmetic number, because the mean of its divisors is an integer number (10688847568).

Almost surely, 2^85216668601 is an apocalyptic number.

It is an amenable number.

85216668601 is a deficient number, since it is larger than the sum of its proper divisors (294111943).

85216668601 is a wasteful number, since it uses less digits than its factorization.

85216668601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110751.

The product of its (nonzero) digits is 829440, while the sum is 49.

The spelling of 85216668601 in words is "eighty-five billion, two hundred sixteen million, six hundred sixty-eight thousand, six hundred one".