196208881 has 12 divisors (see below), whose sum is σ = 216896400. Its totient is φ = 177355640.

The previous prime is 196208861. The next prime is 196208911. The reversal of 196208881 is 188802691.

It is not a de Polignac number, because 196208881 - 2²⁵ = 162654449 is a prime.

It is a super-2 number, since 2×196208881² = 76995849966544322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196208861) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17130 + ... + 26188.

It is an arithmetic number, because the mean of its divisors is an integer number (18074700).

Almost surely, 2^196208881 is an apocalyptic number.

196208881 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

196208881 is a deficient number, since it is larger than the sum of its proper divisors (20687519).

196208881 is a wasteful number, since it uses less digits than its factorization.

196208881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9260 (or 9249 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 43.

The square root of 196208881 is about 14007.4580491965. The cubic root of 196208881 is about 581.0848512814.

The spelling of 196208881 in words is "one hundred ninety-six million, two hundred eight thousand, eight hundred eighty-one".