196766155 has 8 divisors (see below), whose sum is σ = 236293200. Its totient is φ = 157297056.

The previous prime is 196766117. The next prime is 196766231. The reversal of 196766155 is 551667691.

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 196766155 - 2⁷ = 196766027 is a prime.

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, 6625 + ... + 20914.

It is an arithmetic number, because the mean of its divisors is an integer number (29536650).

Almost surely, 2^196766155 is an apocalyptic number.

196766155 is a deficient number, since it is larger than the sum of its proper divisors (39527045).

196766155 is a wasteful number, since it uses less digits than its factorization.

196766155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28973.

The product of its digits is 340200, while the sum is 46.

The square root of 196766155 is about 14027.3359908430. The cubic root of 196766155 is about 581.6344651849.

The spelling of 196766155 in words is "one hundred ninety-six million, seven hundred sixty-six thousand, one hundred fifty-five".