2085450164 has 12 divisors (see below), whose sum is σ = 4170900384. Its totient is φ = 893764344.

The previous prime is 2085450139. The next prime is 2085450173. The reversal of 2085450164 is 4610545802.

2085450164 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37240154 + ... + 37240209.

It is an arithmetic number, because the mean of its divisors is an integer number (347575032).

Almost surely, 2^2085450164 is an apocalyptic number.

It is an amenable number.

2085450164 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2085450164 is a wasteful number, since it uses less digits than its factorization.

2085450164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74480374 (or 74480372 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 2085450164 is about 45666.7292894948. The cubic root of 2085450164 is about 1277.6148135111.

Adding to 2085450164 its reverse (4610545802), we get a palindrome (6695995966).

The spelling of 2085450164 in words is "two billion, eighty-five million, four hundred fifty thousand, one hundred sixty-four".