100000601161 has 4 divisors (see below), whose sum is σ = 100578639492. Its totient is φ = 99422562832.

The previous prime is 100000601159. The next prime is 100000601171. The reversal of 100000601161 is 161106000001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 161106000001 = 191 ⋅843486911.

It can be written as a sum of positive squares in 2 ways, for example, as 68607848761 + 31392752400 = 261931^2 + 177180^2 .

It is a cyclic number.

It is not a de Polignac number, because 100000601161 - 2¹ = 100000601159 is a prime.

It is a super-2 number, since 2×100000601161² (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 (100000601101) 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, 289018906 + ... + 289019251.

It is an arithmetic number, because the mean of its divisors is an integer number (25144659873).

Almost surely, 2^100000601161 is an apocalyptic number.

It is an amenable number.

100000601161 is a deficient number, since it is larger than the sum of its proper divisors (578038331).

100000601161 is an equidigital number, since it uses as much as digits as its factorization.

100000601161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578038330.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 100000601161 its reverse (161106000001), we get a palindrome (261106601162).

The spelling of 100000601161 in words is "one hundred billion, six hundred one thousand, one hundred sixty-one".