195982680 has 128 divisors (see below), whose sum is σ = 603288000. Its totient is φ = 50921472.

The previous prime is 195982669. The next prime is 195982693. The reversal of 195982680 is 86289591.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1315246 + ... + 1315394.

Almost surely, 2^195982680 is an apocalyptic number.

195982680 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 195982680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (301644000).

195982680 is an abundant number, since it is smaller than the sum of its proper divisors (407305320).

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

195982680 is a wasteful number, since it uses less digits than its factorization.

195982680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373 (or 369 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 48.

The square root of 195982680 is about 13999.3814149054. The cubic root of 195982680 is about 580.8614626195.

The spelling of 195982680 in words is "one hundred ninety-five million, nine hundred eighty-two thousand, six hundred eighty".