196776660 has 48 divisors (see below), whose sum is σ = 551682432. Its totient is φ = 52406400.

The previous prime is 196776611. The next prime is 196776677. The reversal of 196776660 is 66677691.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60270 + ... + 63450.

It is an arithmetic number, because the mean of its divisors is an integer number (11493384).

Almost surely, 2^196776660 is an apocalyptic number.

196776660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

196776660 is an abundant number, since it is smaller than the sum of its proper divisors (354905772).

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

196776660 is a wasteful number, since it uses less digits than its factorization.

196776660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4224 (or 4222 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 48.

The square root of 196776660 is about 14027.7104332817. The cubic root of 196776660 is about 581.6448158154.

The spelling of 196776660 in words is "one hundred ninety-six million, seven hundred seventy-six thousand, six hundred sixty".