196889170 has 32 divisors (see below), whose sum is σ = 362692080. Its totient is φ = 76926720.

The previous prime is 196889129. The next prime is 196889171. The reversal of 196889170 is 71988691.

196889170 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 52577001 + 144312169 = 7251^2 + 12013^2 .

It is not an unprimeable number, because it can be changed into a prime (196889171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141880 + ... + 143260.

Almost surely, 2^196889170 is an apocalyptic number.

196889170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

196889170 is a deficient number, since it is larger than the sum of its proper divisors (165802910).

196889170 is a wasteful number, since it uses less digits than its factorization.

196889170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1710.

The product of its (nonzero) digits is 217728, while the sum is 49.

The square root of 196889170 is about 14031.7201368898. The cubic root of 196889170 is about 581.7556494036.

The spelling of 196889170 in words is "one hundred ninety-six million, eight hundred eighty-nine thousand, one hundred seventy".