163389057 has 16 divisors (see below), whose sum is σ = 248411520. Its totient is φ = 94632192.

The previous prime is 163389047. The next prime is 163389071. The reversal of 163389057 is 750983361.

163389057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 163389057 - 2¹⁶ = 163323521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (163389007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122557 + ... + 123882.

It is an arithmetic number, because the mean of its divisors is an integer number (15525720).

Almost surely, 2^163389057 is an apocalyptic number.

163389057 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

163389057 is a deficient number, since it is larger than the sum of its proper divisors (85022463).

163389057 is a wasteful number, since it uses less digits than its factorization.

163389057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246472.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 163389057 is about 12782.3729017738. The cubic root of 163389057 is about 546.6898223304.

The spelling of 163389057 in words is "one hundred sixty-three million, three hundred eighty-nine thousand, fifty-seven".