197708216706 has 384 divisors, whose sum is σ = 620890583040. Its totient is φ = 43775424000.

The previous prime is 197708216663. The next prime is 197708216743. The reversal of 197708216706 is 607612807791.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 191 ways as a sum of consecutive naturals, for example, 12009781 + ... + 12026231.

It is an arithmetic number, because the mean of its divisors is an integer number (1616902560).

Almost surely, 2^197708216706 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 197708216706, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (310445291520).

197708216706 is an abundant number, since it is smaller than the sum of its proper divisors (423182366334).

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

197708216706 is a wasteful number, since it uses less digits than its factorization.

197708216706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16542 (or 16539 counting only the distinct ones).

The product of its (nonzero) digits is 1778112, while the sum is 54.

It can be divided in two parts, 197708 and 216706, that added together give a palindrome (414414).

The spelling of 197708216706 in words is "one hundred ninety-seven billion, seven hundred eight million, two hundred sixteen thousand, seven hundred six".