196965085885 has 16 divisors (see below), whose sum is σ = 243016445952. Its totient is φ = 153161539200.

The previous prime is 196965085771. The next prime is 196965085921. The reversal of 196965085885 is 588580569691.

It is not a de Polignac number, because 196965085885 - 2¹¹ = 196965083837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1717149 + ... + 1828258.

It is an arithmetic number, because the mean of its divisors is an integer number (15188527872).

Almost surely, 2^196965085885 is an apocalyptic number.

It is an amenable number.

196965085885 is a deficient number, since it is larger than the sum of its proper divisors (46051360067).

196965085885 is a wasteful number, since it uses less digits than its factorization.

196965085885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3545724.

The product of its (nonzero) digits is 186624000, while the sum is 70.

The spelling of 196965085885 in words is "one hundred ninety-six billion, nine hundred sixty-five million, eighty-five thousand, eight hundred eighty-five".