105553161 has 12 divisors (see below), whose sum is σ = 174246592. Its totient is φ = 60316056.

The previous prime is 105553139. The next prime is 105553163. The reversal of 105553161 is 161355501.

105553161 is a `hidden beast` number, since 105 + 553 + 1 + 6 + 1 = 666.

It is not a de Polignac number, because 105553161 - 2¹³ = 105544969 is a prime.

It is a super-2 number, since 2×105553161² = 22282939594183842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105553163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 837661 + ... + 837786.

Almost surely, 2^105553161 is an apocalyptic number.

It is an amenable number.

105553161 is a deficient number, since it is larger than the sum of its proper divisors (68693431).

105553161 is a wasteful number, since it uses less digits than its factorization.

105553161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1675460 (or 1675457 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 27.

The square root of 105553161 is about 10273.9068031592. The cubic root of 105553161 is about 472.5964059606.

The spelling of 105553161 in words is "one hundred five million, five hundred fifty-three thousand, one hundred sixty-one".