196743366 has 96 divisors (see below), whose sum is σ = 471744000. Its totient is φ = 59016384.

The previous prime is 196743353. The next prime is 196743373. The reversal of 196743366 is 663347691.

196743366 is a nontrivial binomial coefficient, being equal to C(19837, 2).

Its product of digits (489888) is a multiple of the sum of its prime factors (378).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 823075 + ... + 823313.

It is an arithmetic number, because the mean of its divisors is an integer number (4914000).

Almost surely, 2^196743366 is an apocalyptic number.

196743366 is the 19836-th triangular number.

It is a practical number, because each smaller number is the sum of distinct divisors of 196743366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235872000).

196743366 is an abundant number, since it is smaller than the sum of its proper divisors (275000634).

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

196743366 is a wasteful number, since it uses less digits than its factorization.

196743366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378 (or 375 counting only the distinct ones).

The product of its digits is 489888, while the sum is 45.

The square root of 196743366 is about 14026.5236605511. The cubic root of 196743366 is about 581.6120097994.

The spelling of 196743366 in words is "one hundred ninety-six million, seven hundred forty-three thousand, three hundred sixty-six".