119798362161 has 27 divisors (see below), whose sum is σ = 174758139777. Its totient is φ = 79081269120.

The previous prime is 119798362141. The next prime is 119798362169. The reversal of 119798362161 is 161263897911.

The square root of 119798362161 is 346119.

It is a perfect power (a square), and thus also a powerful number.

119798362161 is a `hidden beast` number, since 1 + 1 + 9 + 7 + 9 + 8 + 3 + 621 + 6 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 34858757025 + 84939605136 = 186705^2 + 291444^2 .

It is not a de Polignac number, because 119798362161 - 2²⁷ = 119664144433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 119798362098 and 119798362107.

It is not an unprimeable number, because it can be changed into a prime (119798362169) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 117333831 + ... + 117334851.

Almost surely, 2^119798362161 is an apocalyptic number.

119798362161 is the 346119-th square number.

119798362161 is the 173060-th centered octagonal number.

It is an amenable number.

119798362161 is a deficient number, since it is larger than the sum of its proper divisors (54959777616).

119798362161 is an frugal number, since it uses more digits than its factorization.

119798362161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2274 (or 1137 counting only the distinct ones).

The product of its digits is 979776, while the sum is 54.

The spelling of 119798362161 in words is "one hundred nineteen billion, seven hundred ninety-eight million, three hundred sixty-two thousand, one hundred sixty-one".