196969594378 has 16 divisors (see below), whose sum is σ = 297470127240. Its totient is φ = 97815015936.

The previous prime is 196969594273. The next prime is 196969594379. The reversal of 196969594378 is 873495969691.

It can be written as a sum of positive squares in 4 ways, for example, as 162959964489 + 34009629889 = 403683^2 + 184417^2 .

It is a super-2 number, since 2×196969594378² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (196969594379) 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, 347343 + ... + 717346.

Almost surely, 2^196969594378 is an apocalyptic number.

196969594378 is a deficient number, since it is larger than the sum of its proper divisors (100500532862).

196969594378 is a wasteful number, since it uses less digits than its factorization.

196969594378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065321.

The product of its digits is 793618560, while the sum is 76.

The spelling of 196969594378 in words is "one hundred ninety-six billion, nine hundred sixty-nine million, five hundred ninety-four thousand, three hundred seventy-eight".