400116163 has 8 divisors (see below), whose sum is σ = 416681856. Its totient is φ = 383779200.

The previous prime is 400116151. The next prime is 400116179. The reversal of 400116163 is 361611004.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-400116163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400111163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53608 + ... + 60613.

It is an arithmetic number, because the mean of its divisors is an integer number (52085232).

Almost surely, 2^400116163 is an apocalyptic number.

400116163 is a deficient number, since it is larger than the sum of its proper divisors (16565693).

400116163 is a wasteful number, since it uses less digits than its factorization.

400116163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114365.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 400116163 is about 20002.9038641893. The cubic root of 400116163 is about 736.8776175166.

Adding to 400116163 its reverse (361611004), we get a palindrome (761727167).

It can be divided in two parts, 4001 and 16163, that added together give a square (20164 = 142²).

The spelling of 400116163 in words is "four hundred million, one hundred sixteen thousand, one hundred sixty-three".