196871154 has 16 divisors (see below), whose sum is σ = 404384448. Its totient is φ = 63850032.

The previous prime is 196871153. The next prime is 196871159. The reversal of 196871154 is 451178691.

It is not an unprimeable number, because it can be changed into a prime (196871153) 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, 443182 + ... + 443625.

It is an arithmetic number, because the mean of its divisors is an integer number (25274028).

Almost surely, 2^196871154 is an apocalyptic number.

196871154 is an abundant number, since it is smaller than the sum of its proper divisors (207513294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

196871154 is a wasteful number, since it uses less digits than its factorization.

196871154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886849.

The product of its digits is 60480, while the sum is 42.

The square root of 196871154 is about 14031.0781481681. The cubic root of 196871154 is about 581.7379046838.

The spelling of 196871154 in words is "one hundred ninety-six million, eight hundred seventy-one thousand, one hundred fifty-four".