100967161 has 4 divisors (see below), whose sum is σ = 101170000. Its totient is φ = 100764324.

The previous prime is 100967149. The next prime is 100967179. The reversal of 100967161 is 161769001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 161769001 = 1427 ⋅113363.

It is a cyclic number.

It is not a de Polignac number, because 100967161 - 2⁵ = 100967129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100967101) 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, 100671 + ... + 101668.

It is an arithmetic number, because the mean of its divisors is an integer number (25292500).

Almost surely, 2^100967161 is an apocalyptic number.

It is an amenable number.

100967161 is a deficient number, since it is larger than the sum of its proper divisors (202839).

100967161 is an equidigital number, since it uses as much as digits as its factorization.

100967161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202838.

The product of its (nonzero) digits is 2268, while the sum is 31.

The square root of 100967161 is about 10048.2416869819. The cubic root of 100967161 is about 465.6504728553.

The spelling of 100967161 in words is "one hundred million, nine hundred sixty-seven thousand, one hundred sixty-one".