107163905 has 4 divisors (see below), whose sum is σ = 128596692. Its totient is φ = 85731120.

The previous prime is 107163841. The next prime is 107163911. The reversal of 107163905 is 509361701.

It is a Cunningham number, because it is equal to 10352²+1.

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 38588944 + 68574961 = 6212^2 + 8281^2 .

It is not a de Polignac number, because 107163905 - 2⁶ = 107163841 is a prime.

It is a super-2 number, since 2×107163905² = 22968205069698050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10716386 + ... + 10716395.

It is an arithmetic number, because the mean of its divisors is an integer number (32149173).

Almost surely, 2^107163905 is an apocalyptic number.

It is an amenable number.

107163905 is a deficient number, since it is larger than the sum of its proper divisors (21432787).

107163905 is an equidigital number, since it uses as much as digits as its factorization.

107163905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21432786.

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 107163905 is about 10352.0000482998. Note that the first 4 decimals coincide. The cubic root of 107163905 is about 474.9882250082.

The spelling of 107163905 in words is "one hundred seven million, one hundred sixty-three thousand, nine hundred five".