196218705 has 8 divisors (see below), whose sum is σ = 313949952. Its totient is φ = 104649968.

The previous prime is 196218703. The next prime is 196218721. The reversal of 196218705 is 507812691.

196218705 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 cyclic number.

It is not a de Polignac number, because 196218705 - 2¹ = 196218703 is a prime.

It is not an unprimeable number, because it can be changed into a prime (196218703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6540609 + ... + 6540638.

It is an arithmetic number, because the mean of its divisors is an integer number (39243744).

Almost surely, 2^196218705 is an apocalyptic number.

196218705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

196218705 is a deficient number, since it is larger than the sum of its proper divisors (117731247).

196218705 is a wasteful number, since it uses less digits than its factorization.

196218705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13081255.

The product of its (nonzero) digits is 30240, while the sum is 39.

The square root of 196218705 is about 14007.8087151417. The cubic root of 196218705 is about 581.0945492494.

The spelling of 196218705 in words is "one hundred ninety-six million, two hundred eighteen thousand, seven hundred five".