85216267446 has 16 divisors (see below), whose sum is σ = 170747573808. Its totient is φ = 28352916000.

The previous prime is 85216267313. The next prime is 85216267453. The reversal of 85216267446 is 64476261258.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 13123105 + ... + 13129596.

It is an arithmetic number, because the mean of its divisors is an integer number (10671723363).

Almost surely, 2^85216267446 is an apocalyptic number.

85216267446 is an abundant number, since it is smaller than the sum of its proper divisors (85531306362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85216267446 is a wasteful number, since it uses less digits than its factorization.

85216267446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26253247.

The product of its digits is 3870720, while the sum is 51.

The spelling of 85216267446 in words is "eighty-five billion, two hundred sixteen million, two hundred sixty-seven thousand, four hundred forty-six".