85646222167 has 16 divisors (see below), whose sum is σ = 94833568800. Its totient is φ = 76698941440.

The previous prime is 85646222159. The next prime is 85646222197. The reversal of 85646222167 is 76122264658.

It is not a de Polignac number, because 85646222167 - 2³ = 85646222159 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85646222167.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85646222117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100743 + ... + 425959.

It is an arithmetic number, because the mean of its divisors is an integer number (5927098050).

Almost surely, 2^85646222167 is an apocalyptic number.

85646222167 is a deficient number, since it is larger than the sum of its proper divisors (9187346633).

85646222167 is a wasteful number, since it uses less digits than its factorization.

85646222167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325586.

The product of its digits is 1935360, while the sum is 49.

The spelling of 85646222167 in words is "eighty-five billion, six hundred forty-six million, two hundred twenty-two thousand, one hundred sixty-seven".