10163855 has 16 divisors (see below), whose sum is σ = 13206144. Its totient is φ = 7464960.

The previous prime is 10163851. The next prime is 10163887. The reversal of 10163855 is 55836101.

It is not a de Polignac number, because 10163855 - 2² = 10163851 is a prime.

It is a super-2 number, since 2×10163855² = 206607896922050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10163851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17327 + ... + 17903.

It is an arithmetic number, because the mean of its divisors is an integer number (825384).

Almost surely, 2^10163855 is an apocalyptic number.

10163855 is a deficient number, since it is larger than the sum of its proper divisors (3042289).

10163855 is a wasteful number, since it uses less digits than its factorization.

10163855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 10163855 is about 3188.0801432837. The cubic root of 10163855 is about 216.6138161693.

Adding to 10163855 its reverse (55836101), we get a palindrome (65999956).

The spelling of 10163855 in words is "ten million, one hundred sixty-three thousand, eight hundred fifty-five".