100000011606161 has 4 divisors (see below), whose sum is σ = 102439036279524. Its totient is φ = 97560986932800.

The previous prime is 100000011606139. The next prime is 100000011606241. The reversal of 100000011606161 is 161606110000001.

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 19538663105536 + 80461348500625 = 4420256^2 + 8970025^2 .

It is a cyclic number.

It is not a de Polignac number, because 100000011606161 - 2¹⁸ = 100000011344017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100000011606101) 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, 1219512336620 + ... + 1219512336701.

It is an arithmetic number, because the mean of its divisors is an integer number (25609759069881).

Almost surely, 2^{100000011606161} is an apocalyptic number.

It is an amenable number.

100000011606161 is a deficient number, since it is larger than the sum of its proper divisors (2439024673363).

100000011606161 is an equidigital number, since it uses as much as digits as its factorization.

100000011606161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2439024673362.

The product of its (nonzero) digits is 216, while the sum is 23.

Adding to 100000011606161 its reverse (161606110000001), we get a palindrome (261606121606162).

The spelling of 100000011606161 in words is "one hundred trillion, eleven million, six hundred six thousand, one hundred sixty-one".