196573680 has 120 divisors (see below), whose sum is σ = 676362960. Its totient is φ = 51133440.

The previous prime is 196573673. The next prime is 196573717. The reversal of 196573680 is 86375691.

It is a happy number.

196573680 is a `hidden beast` number, since 19 + 6 + 573 + 68 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26191 + ... + 32849.

It is an arithmetic number, because the mean of its divisors is an integer number (5636358).

Almost surely, 2^196573680 is an apocalyptic number.

196573680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 196573680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (338181480).

196573680 is an abundant number, since it is smaller than the sum of its proper divisors (479789280).

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

196573680 is a wasteful number, since it uses less digits than its factorization.

196573680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6719 (or 6710 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 196573680 is about 14020.4736011306. The cubic root of 196573680 is about 581.4447533305. Note that the first 3 decimals are identical.

The spelling of 196573680 in words is "one hundred ninety-six million, five hundred seventy-three thousand, six hundred eighty".