196561115 has 8 divisors (see below), whose sum is σ = 235958928. Its totient is φ = 157191840.

The previous prime is 196561103. The next prime is 196561121. The reversal of 196561115 is 511165691.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 196561115 - 2⁶ = 196561051 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13400 + ... + 23930.

It is an arithmetic number, because the mean of its divisors is an integer number (29494866).

Almost surely, 2^196561115 is an apocalyptic number.

196561115 is a deficient number, since it is larger than the sum of its proper divisors (39397813).

196561115 is a wasteful number, since it uses less digits than its factorization.

196561115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14269.

The product of its digits is 8100, while the sum is 35.

The square root of 196561115 is about 14020.0254992635. The cubic root of 196561115 is about 581.4323644068.

The spelling of 196561115 in words is "one hundred ninety-six million, five hundred sixty-one thousand, one hundred fifteen".