196056919 has 4 divisors (see below), whose sum is σ = 196089880. Its totient is φ = 196023960.

The previous prime is 196056863. The next prime is 196056923. The reversal of 196056919 is 919650691.

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

It is a cyclic number.

It is not a de Polignac number, because 196056919 - 2¹¹ = 196054871 is a prime.

It is a super-2 number, since 2×196056919² = 76876630975545122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196056929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4797 + ... + 20374.

It is an arithmetic number, because the mean of its divisors is an integer number (49022470).

Almost surely, 2^196056919 is an apocalyptic number.

196056919 is a deficient number, since it is larger than the sum of its proper divisors (32961).

196056919 is an equidigital number, since it uses as much as digits as its factorization.

196056919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32960.

The product of its (nonzero) digits is 131220, while the sum is 46.

The square root of 196056919 is about 14002.0326738656. The cubic root of 196056919 is about 580.9347975528.

The spelling of 196056919 in words is "one hundred ninety-six million, fifty-six thousand, nine hundred nineteen".