194165328066130 has 16 divisors (see below), whose sum is σ = 358021921995864. Its totient is φ = 75771835342720.

The previous prime is 194165328066077. The next prime is 194165328066133. The reversal of 194165328066130 is 31660823561491.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 82738071026209 + 111427257039921 = 9096047^2 + 10555911^2 .

It is not an unprimeable number, because it can be changed into a prime (194165328066133) 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, 236786985037 + ... + 236786985856.

Almost surely, 2^{194165328066130} is an apocalyptic number.

194165328066130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

194165328066130 is a deficient number, since it is larger than the sum of its proper divisors (163856593929734).

194165328066130 is a wasteful number, since it uses less digits than its factorization.

194165328066130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473573970941.

The product of its (nonzero) digits is 5598720, while the sum is 55.

The spelling of 194165328066130 in words is "one hundred ninety-four trillion, one hundred sixty-five billion, three hundred twenty-eight million, sixty-six thousand, one hundred thirty".