196667086 has 48 divisors (see below), whose sum is σ = 376410672. Its totient is φ = 76204800.

The previous prime is 196667041. The next prime is 196667087. The reversal of 196667086 is 680766691.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196667087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 259420 + ... + 260176.

It is an arithmetic number, because the mean of its divisors is an integer number (7841889).

Almost surely, 2^196667086 is an apocalyptic number.

196667086 is a deficient number, since it is larger than the sum of its proper divisors (179743586).

196667086 is a wasteful number, since it uses less digits than its factorization.

196667086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025 (or 1018 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 49.

The square root of 196667086 is about 14023.8042627527. The cubic root of 196667086 is about 581.5368338652.

The spelling of 196667086 in words is "one hundred ninety-six million, six hundred sixty-seven thousand, eighty-six".