196908667 has 4 divisors (see below), whose sum is σ = 199606120. Its totient is φ = 194211216.

The previous prime is 196908643. The next prime is 196908689. The reversal of 196908667 is 766809691.

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 196908667 - 2¹⁹ = 196384379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196908617) 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, 1348617 + ... + 1348762.

It is an arithmetic number, because the mean of its divisors is an integer number (49901530).

Almost surely, 2^196908667 is an apocalyptic number.

196908667 is a deficient number, since it is larger than the sum of its proper divisors (2697453).

196908667 is an equidigital number, since it uses as much as digits as its factorization.

196908667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2697452.

The product of its (nonzero) digits is 979776, while the sum is 52.

The square root of 196908667 is about 14032.4148670142. The cubic root of 196908667 is about 581.7748516034.

The spelling of 196908667 in words is "one hundred ninety-six million, nine hundred eight thousand, six hundred sixty-seven".