196649656 has 16 divisors (see below), whose sum is σ = 421392240. Its totient is φ = 84278400.

The previous prime is 196649641. The next prime is 196649669. The reversal of 196649656 is 656946691.

196649656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1755745 + ... + 1755856.

It is an arithmetic number, because the mean of its divisors is an integer number (26337015).

Almost surely, 2^196649656 is an apocalyptic number.

It is an amenable number.

196649656 is an abundant number, since it is smaller than the sum of its proper divisors (224742584).

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

196649656 is a wasteful number, since it uses less digits than its factorization.

196649656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3511614 (or 3511610 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 52.

The square root of 196649656 is about 14023.1828056258. The cubic root of 196649656 is about 581.5196534162.

The spelling of 196649656 in words is "one hundred ninety-six million, six hundred forty-nine thousand, six hundred fifty-six".