196697155 has 8 divisors (see below), whose sum is σ = 237839184. Its totient is φ = 156156000.

The previous prime is 196697141. The next prime is 196697159. The reversal of 196697155 is 551796691.

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

It is a de Polignac number, because none of the positive numbers 2^k-196697155 is a prime.

It is a super-3 number, since 3×196697155³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 196697099 and 196697108.

It is not an unprimeable number, because it can be changed into a prime (196697159) 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, 149496 + ... + 150805.

It is an arithmetic number, because the mean of its divisors is an integer number (29729898).

Almost surely, 2^196697155 is an apocalyptic number.

196697155 is a deficient number, since it is larger than the sum of its proper divisors (41142029).

196697155 is a wasteful number, since it uses less digits than its factorization.

196697155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300437.

The product of its digits is 510300, while the sum is 49.

The square root of 196697155 is about 14024.8762917895. The cubic root of 196697155 is about 581.5664699714.

The spelling of 196697155 in words is "one hundred ninety-six million, six hundred ninety-seven thousand, one hundred fifty-five".