40161103 has 2 divisors, whose sum is σ = 40161104. Its totient is φ = 40161102.

The previous prime is 40161101. The next prime is 40161109. The reversal of 40161103 is 30116104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40161103 - 2¹ = 40161101 is a prime.

It is a super-2 number, since 2×40161103² = 3225828388353218, which contains 22 as substring.

Together with 40161101, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40161101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20080551 + 20080552.

It is an arithmetic number, because the mean of its divisors is an integer number (20080552).

Almost surely, 2^40161103 is an apocalyptic number.

40161103 is a deficient number, since it is larger than the sum of its proper divisors (1).

40161103 is an equidigital number, since it uses as much as digits as its factorization.

40161103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 40161103 is about 6337.2788324327. The cubic root of 40161103 is about 342.4537113994.

Adding to 40161103 its reverse (30116104), we get a palindrome (70277207).

It can be divided in two parts, 401 and 61103, that added together give a square (61504 = 248²).

The spelling of 40161103 in words is "forty million, one hundred sixty-one thousand, one hundred three".