196988011 has 4 divisors (see below), whose sum is σ = 214896024. Its totient is φ = 179080000.

The previous prime is 196987997. The next prime is 196988017. The reversal of 196988011 is 110889691.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 196988011 - 2⁵ = 196987979 is a prime.

It is a super-2 number, since 2×196988011² = 77608552955472242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196988017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8953990 + ... + 8954011.

It is an arithmetic number, because the mean of its divisors is an integer number (53724006).

Almost surely, 2^196988011 is an apocalyptic number.

196988011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

196988011 is a deficient number, since it is larger than the sum of its proper divisors (17908013).

196988011 is a wasteful number, since it uses less digits than its factorization.

196988011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17908012.

The product of its (nonzero) digits is 31104, while the sum is 43.

The square root of 196988011 is about 14035.2417506789. The cubic root of 196988011 is about 581.8529828268.

The spelling of 196988011 in words is "one hundred ninety-six million, nine hundred eighty-eight thousand, eleven".