196669151 has 8 divisors (see below), whose sum is σ = 225039360. Its totient is φ = 168367608.

The previous prime is 196669147. The next prime is 196669153. The reversal of 196669151 is 151966691.

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 196669151 - 2² = 196669147 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196669153) 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, 10871 + ... + 22616.

It is an arithmetic number, because the mean of its divisors is an integer number (28129920).

Almost surely, 2^196669151 is an apocalyptic number.

196669151 is a deficient number, since it is larger than the sum of its proper divisors (28370209).

196669151 is an equidigital number, since it uses as much as digits as its factorization.

196669151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34333.

The product of its digits is 87480, while the sum is 44.

The square root of 196669151 is about 14023.8778873748. The cubic root of 196669151 is about 581.5388692326.

It can be divided in two parts, 1966 and 69151, that added together give a palindrome (71117).

The spelling of 196669151 in words is "one hundred ninety-six million, six hundred sixty-nine thousand, one hundred fifty-one".