163934053 has 4 divisors (see below), whose sum is σ = 164839948. Its totient is φ = 163028160.

The previous prime is 163934027. The next prime is 163934081. The reversal of 163934053 is 350439361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 350439361 = 1153 ⋅303937.

It can be written as a sum of positive squares in 2 ways, for example, as 1295044 + 162639009 = 1138^2 + 12753^2 .

It is a cyclic number.

It is not a de Polignac number, because 163934053 - 2⁹ = 163933541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163934003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 452676 + ... + 453037.

It is an arithmetic number, because the mean of its divisors is an integer number (41209987).

Almost surely, 2^163934053 is an apocalyptic number.

It is an amenable number.

163934053 is a deficient number, since it is larger than the sum of its proper divisors (905895).

163934053 is an equidigital number, since it uses as much as digits as its factorization.

163934053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905894.

The product of its (nonzero) digits is 29160, while the sum is 34.

The square root of 163934053 is about 12803.6734182031. The cubic root of 163934053 is about 547.2969888759.

The spelling of 163934053 in words is "one hundred sixty-three million, nine hundred thirty-four thousand, fifty-three".