113161863 has 16 divisors (see below), whose sum is σ = 158605056. Its totient is φ = 71628480.

The previous prime is 113161819. The next prime is 113161871. The reversal of 113161863 is 368161311.

It is not a de Polignac number, because 113161863 - 2¹² = 113157767 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113161863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113161463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3468 + ... + 15438.

It is an arithmetic number, because the mean of its divisors is an integer number (9912816).

Almost surely, 2^113161863 is an apocalyptic number.

113161863 is a deficient number, since it is larger than the sum of its proper divisors (45443193).

113161863 is a wasteful number, since it uses less digits than its factorization.

113161863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12134.

The product of its digits is 2592, while the sum is 30.

The square root of 113161863 is about 10637.7564833944. The cubic root of 113161863 is about 483.6895406149.

The spelling of 113161863 in words is "one hundred thirteen million, one hundred sixty-one thousand, eight hundred sixty-three".