196105505 has 8 divisors (see below), whose sum is σ = 235438272. Its totient is φ = 156809968.

The previous prime is 196105493. The next prime is 196105529. The reversal of 196105505 is 505501691.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-196105505 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4022 + ... + 20208.

It is an arithmetic number, because the mean of its divisors is an integer number (29429784).

Almost surely, 2^196105505 is an apocalyptic number.

It is an amenable number.

196105505 is a deficient number, since it is larger than the sum of its proper divisors (39332767).

196105505 is a wasteful number, since it uses less digits than its factorization.

196105505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18615.

The product of its (nonzero) digits is 6750, while the sum is 32.

The square root of 196105505 is about 14003.7675287760. The cubic root of 196105505 is about 580.9827818609.

The spelling of 196105505 in words is "one hundred ninety-six million, one hundred five thousand, five hundred five".