163161366 has 16 divisors (see below), whose sum is σ = 337575600. Its totient is φ = 52511648.

The previous prime is 163161347. The next prime is 163161367. The reversal of 163161366 is 663161361.

163161366 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163161367) 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, 468681 + ... + 469028.

It is an arithmetic number, because the mean of its divisors is an integer number (21098475).

Almost surely, 2^163161366 is an apocalyptic number.

163161366 is an abundant number, since it is smaller than the sum of its proper divisors (174414234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163161366 is a wasteful number, since it uses less digits than its factorization.

163161366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937743.

The product of its digits is 11664, while the sum is 33.

The square root of 163161366 is about 12773.4633518087. The cubic root of 163161366 is about 546.4357575421.

The spelling of 163161366 in words is "one hundred sixty-three million, one hundred sixty-one thousand, three hundred sixty-six".