2085275777164 has 6 divisors (see below), whose sum is σ = 3649232610044. Its totient is φ = 1042637888580.

The previous prime is 2085275777131. The next prime is 2085275777177. The reversal of 2085275777164 is 4617775725802.

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 as a sum of consecutive naturals, namely, 260659472142 + ... + 260659472149.

Almost surely, 2^{2085275777164} is an apocalyptic number.

It is an amenable number.

2085275777164 is a deficient number, since it is larger than the sum of its proper divisors (1563956832880).

2085275777164 is a wasteful number, since it uses less digits than its factorization.

2085275777164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521318944295 (or 521318944293 counting only the distinct ones).

The product of its (nonzero) digits is 46099200, while the sum is 61.

The spelling of 2085275777164 in words is "two trillion, eighty-five billion, two hundred seventy-five million, seven hundred seventy-seven thousand, one hundred sixty-four".