196511085 has 24 divisors (see below), whose sum is σ = 340947360. Its totient is φ = 104704992.

The previous prime is 196511027. The next prime is 196511087. The reversal of 196511085 is 580115691.

It is not a de Polignac number, because 196511085 - 2¹⁹ = 195986797 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196511087) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82846 + ... + 85184.

It is an arithmetic number, because the mean of its divisors is an integer number (14206140).

Almost surely, 2^196511085 is an apocalyptic number.

196511085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

196511085 is a deficient number, since it is larger than the sum of its proper divisors (144436275).

196511085 is a wasteful number, since it uses less digits than its factorization.

196511085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4217 (or 4214 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 36.

The square root of 196511085 is about 14018.2411521560. The cubic root of 196511085 is about 581.3830302518.

It can be divided in two parts, 19651 and 1085, that added together give a 4-th power (20736 = 12⁴).

The spelling of 196511085 in words is "one hundred ninety-six million, five hundred eleven thousand, eighty-five".