194116590361 has 4 divisors (see below), whose sum is σ = 194119433572. Its totient is φ = 194113747152.

The previous prime is 194116590289. The next prime is 194116590377. The reversal of 194116590361 is 163095611491.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 174071693961 + 20044896400 = 417219^2 + 141580^2 .

It is a cyclic number.

It is not a de Polignac number, because 194116590361 - 2⁷ = 194116590233 is a prime.

It is a super-2 number, since 2×194116590361² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (194116590961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1316610 + ... + 1456603.

It is an arithmetic number, because the mean of its divisors is an integer number (48529858393).

Almost surely, 2^194116590361 is an apocalyptic number.

It is an amenable number.

194116590361 is a deficient number, since it is larger than the sum of its proper divisors (2843211).

194116590361 is an equidigital number, since it uses as much as digits as its factorization.

194116590361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2843210.

The product of its (nonzero) digits is 174960, while the sum is 46.

The spelling of 194116590361 in words is "one hundred ninety-four billion, one hundred sixteen million, five hundred ninety thousand, three hundred sixty-one".