2085161136 has 40 divisors (see below), whose sum is σ = 5467072704. Its totient is φ = 684678720.

The previous prime is 2085161131. The next prime is 2085161147. The reversal of 2085161136 is 6311615802.

It is a junction number, because it is equal to n+sod(n) for n = 2085161097 and 2085161106.

It is not an unprimeable number, because it can be changed into a prime (2085161131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320970 + ... + 327401.

Almost surely, 2^2085161136 is an apocalyptic number.

It is an amenable number.

2085161136 is an abundant number, since it is smaller than the sum of its proper divisors (3381911568).

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

2085161136 is a wasteful number, since it uses less digits than its factorization.

2085161136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648449 (or 648443 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 2085161136 is about 45663.5646440354. The cubic root of 2085161136 is about 1277.5557881231. Note that the first 3 decimals are identical.

Adding to 2085161136 its reverse (6311615802), we get a palindrome (8396776938).

The spelling of 2085161136 in words is "two billion, eighty-five million, one hundred sixty-one thousand, one hundred thirty-six".