196151771 has 8 divisors (see below), whose sum is σ = 199180800. Its totient is φ = 193130280.

The previous prime is 196151759. The next prime is 196151773. The reversal of 196151771 is 177151691.

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

It is a cyclic number.

It is not a de Polignac number, because 196151771 - 2¹⁸ = 195889627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196151773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72440 + ... + 75098.

It is an arithmetic number, because the mean of its divisors is an integer number (24897600).

Almost surely, 2^196151771 is an apocalyptic number.

196151771 is a deficient number, since it is larger than the sum of its proper divisors (3029029).

196151771 is a wasteful number, since it uses less digits than its factorization.

196151771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3769.

The product of its digits is 13230, while the sum is 38.

The square root of 196151771 is about 14005.4193439540. The cubic root of 196151771 is about 581.0284675337.

The spelling of 196151771 in words is "one hundred ninety-six million, one hundred fifty-one thousand, seven hundred seventy-one".