196231666 has 8 divisors (see below), whose sum is σ = 294824880. Its totient is φ = 97956708.

The previous prime is 196231613. The next prime is 196231669. The reversal of 196231666 is 666132691.

196231666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×196231666² = 77013733482271112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (196231669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78016 + ... + 80491.

It is an arithmetic number, because the mean of its divisors is an integer number (36853110).

Almost surely, 2^196231666 is an apocalyptic number.

196231666 is a deficient number, since it is larger than the sum of its proper divisors (98593214).

196231666 is a wasteful number, since it uses less digits than its factorization.

196231666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159128.

The product of its digits is 69984, while the sum is 40.

The square root of 196231666 is about 14008.2713423177. The cubic root of 196231666 is about 581.1073434775.

The spelling of 196231666 in words is "one hundred ninety-six million, two hundred thirty-one thousand, six hundred sixty-six".