196668486 has 40 divisors (see below), whose sum is σ = 503640720. Its totient is φ = 56190672.

The previous prime is 196668481. The next prime is 196668523. The reversal of 196668486 is 684866691.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196668481) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 85581 + ... + 87848.

It is an arithmetic number, because the mean of its divisors is an integer number (12591018).

Almost surely, 2^196668486 is an apocalyptic number.

196668486 is an abundant number, since it is smaller than the sum of its proper divisors (306972234).

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

196668486 is a wasteful number, since it uses less digits than its factorization.

196668486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173450 (or 173441 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 54.

The square root of 196668486 is about 14023.8541777929. The cubic root of 196668486 is about 581.5382137769.

The spelling of 196668486 in words is "one hundred ninety-six million, six hundred sixty-eight thousand, four hundred eighty-six".