196151 has 4 divisors (see below), whose sum is σ = 198912. Its totient is φ = 193392.

The previous prime is 196139. The next prime is 196159. The reversal of 196151 is 151691.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 151691 = 17 ⋅8923.

It is a cyclic number.

It is not a de Polignac number, because 196151 - 2⁶ = 196087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1271 + ... + 1416.

It is an arithmetic number, because the mean of its divisors is an integer number (49728).

2¹⁹⁶¹⁵¹ is an apocalyptic number.

196151 is a deficient number, since it is larger than the sum of its proper divisors (2761).

196151 is an equidigital number, since it uses as much as digits as its factorization.

196151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2760.

The product of its digits is 270, while the sum is 23.

The square root of 196151 is about 442.8893767071. The cubic root of 196151 is about 58.1027706263.

The spelling of 196151 in words is "one hundred ninety-six thousand, one hundred fifty-one".