103552161 has 4 divisors (see below), whose sum is σ = 138069552. Its totient is φ = 69034772.

The previous prime is 103552133. The next prime is 103552177. The reversal of 103552161 is 161255301.

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: 161255301 = 3 ⋅53751767.

It is a cyclic number.

It is not a de Polignac number, because 103552161 - 2⁵ = 103552129 is a prime.

It is a super-3 number, since 3×103552161³ (a number of 25 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (103552181) 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, 17258691 + ... + 17258696.

It is an arithmetic number, because the mean of its divisors is an integer number (34517388).

Almost surely, 2^103552161 is an apocalyptic number.

It is an amenable number.

103552161 is a deficient number, since it is larger than the sum of its proper divisors (34517391).

103552161 is an equidigital number, since it uses as much as digits as its factorization.

103552161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34517390.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 103552161 is about 10176.0582250693. The cubic root of 103552161 is about 469.5909538993.

The spelling of 103552161 in words is "one hundred three million, five hundred fifty-two thousand, one hundred sixty-one".