196207855 has 16 divisors (see below), whose sum is σ = 246387744. Its totient is φ = 149834880.

The previous prime is 196207789. The next prime is 196207909. The reversal of 196207855 is 558702691.

It is not a de Polignac number, because 196207855 - 2⁹ = 196207343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201 + ... + 19810.

It is an arithmetic number, because the mean of its divisors is an integer number (15399234).

Almost surely, 2^196207855 is an apocalyptic number.

196207855 is a deficient number, since it is larger than the sum of its proper divisors (50179889).

196207855 is a wasteful number, since it uses less digits than its factorization.

196207855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20106.

The product of its (nonzero) digits is 151200, while the sum is 43.

The square root of 196207855 is about 14007.4214258014. The cubic root of 196207855 is about 581.0838384253.

The spelling of 196207855 in words is "one hundred ninety-six million, two hundred seven thousand, eight hundred fifty-five".