196590144 has 56 divisors (see below), whose sum is σ = 529986240. Its totient is φ = 64290304.

The previous prime is 196590113. The next prime is 196590179. The reversal of 196590144 is 441095691.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 517 + ... + 19835.

It is an arithmetic number, because the mean of its divisors is an integer number (9464040).

Almost surely, 2^196590144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 196590144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264993120).

196590144 is an abundant number, since it is smaller than the sum of its proper divisors (333396096).

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

196590144 is a wasteful number, since it uses less digits than its factorization.

196590144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19387 (or 19377 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 196590144 is about 14021.0607302015. The cubic root of 196590144 is about 581.4609858176.

The spelling of 196590144 in words is "one hundred ninety-six million, five hundred ninety thousand, one hundred forty-four".