196916680 has 16 divisors (see below), whose sum is σ = 443062620. Its totient is φ = 78766656.

The previous prime is 196916633. The next prime is 196916717. The reversal of 196916680 is 86619691.

It can be written as a sum of positive squares in 2 ways, for example, as 194825764 + 2090916 = 13958^2 + 1446^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 196916680.

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, 2461419 + ... + 2461498.

Almost surely, 2^196916680 is an apocalyptic number.

196916680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

196916680 is an abundant number, since it is smaller than the sum of its proper divisors (246145940).

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

196916680 is a wasteful number, since it uses less digits than its factorization.

196916680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4922928 (or 4922924 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 46.

The square root of 196916680 is about 14032.7003816087. The cubic root of 196916680 is about 581.7827430770.

The spelling of 196916680 in words is "one hundred ninety-six million, nine hundred sixteen thousand, six hundred eighty".