196207256169 has 6 divisors (see below), whose sum is σ = 283410481146. Its totient is φ = 130804837440.

The previous prime is 196207256159. The next prime is 196207256171. The reversal of 196207256169 is 961652702691.

196207256169 is a `hidden beast` number, since 1 + 9 + 6 + 2 + 0 + 72 + 561 + 6 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 133901105625 + 62306150544 = 365925^2 + 249612^2 .

It is not a de Polignac number, because 196207256169 - 2⁷ = 196207256041 is a prime.

It is a super-2 number, since 2×196207256169² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (196207256159) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10900403112 + ... + 10900403129.

It is an arithmetic number, because the mean of its divisors is an integer number (47235080191).

Almost surely, 2^196207256169 is an apocalyptic number.

It is an amenable number.

196207256169 is a deficient number, since it is larger than the sum of its proper divisors (87203224977).

196207256169 is a wasteful number, since it uses less digits than its factorization.

196207256169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21800806247 (or 21800806244 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 54.

The spelling of 196207256169 in words is "one hundred ninety-six billion, two hundred seven million, two hundred fifty-six thousand, one hundred sixty-nine".