196128167 has 4 divisors (see below), whose sum is σ = 207665136. Its totient is φ = 184591200.

The previous prime is 196128113. The next prime is 196128173. The reversal of 196128167 is 761821691.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 196128167 - 2¹⁰ = 196127143 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 (196128187) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5768459 + ... + 5768492.

It is an arithmetic number, because the mean of its divisors is an integer number (51916284).

Almost surely, 2^196128167 is an apocalyptic number.

196128167 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

196128167 is a deficient number, since it is larger than the sum of its proper divisors (11536969).

196128167 is a wasteful number, since it uses less digits than its factorization.

196128167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11536968.

The product of its digits is 36288, while the sum is 41.

The square root of 196128167 is about 14004.5766447972. The cubic root of 196128167 is about 581.0051605029.

The spelling of 196128167 in words is "one hundred ninety-six million, one hundred twenty-eight thousand, one hundred sixty-seven".