196418866 has 16 divisors (see below), whose sum is σ = 345819456. Its totient is φ = 81904176.

The previous prime is 196418863. The next prime is 196418879. The reversal of 196418866 is 668814691.

It is not an unprimeable number, because it can be changed into a prime (196418863) 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, 189076 + ... + 190111.

It is an arithmetic number, because the mean of its divisors is an integer number (21613716).

Almost surely, 2^196418866 is an apocalyptic number.

196418866 is a deficient number, since it is larger than the sum of its proper divisors (149400590).

196418866 is a wasteful number, since it uses less digits than its factorization.

196418866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379233.

The product of its digits is 497664, while the sum is 49.

The square root of 196418866 is about 14014.9515161487. The cubic root of 196418866 is about 581.2920719383.

The spelling of 196418866 in words is "one hundred ninety-six million, four hundred eighteen thousand, eight hundred sixty-six".