100609161 has 16 divisors (see below), whose sum is σ = 141422400. Its totient is φ = 63445248.

The previous prime is 100609151. The next prime is 100609169. The reversal of 100609161 is 161906001.

It is not a de Polignac number, because 100609161 - 2⁵ = 100609129 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100609169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61725 + ... + 63333.

It is an arithmetic number, because the mean of its divisors is an integer number (8838900).

Almost surely, 2^100609161 is an apocalyptic number.

It is an amenable number.

100609161 is a deficient number, since it is larger than the sum of its proper divisors (40813239).

100609161 is a wasteful number, since it uses less digits than its factorization.

100609161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2728.

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 100609161 is about 10030.4118061025. The cubic root of 100609161 is about 465.0994676797.

The spelling of 100609161 in words is "one hundred million, six hundred nine thousand, one hundred sixty-one".