163840813053 has 16 divisors (see below), whose sum is σ = 239949934080. Its totient is φ = 98979346224.

The previous prime is 163840813051. The next prime is 163840813057. The reversal of 163840813053 is 350318048361.

It is not a de Polignac number, because 163840813053 - 2¹ = 163840813051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 163840812996 and 163840813014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163840813051) 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, 62485651 + ... + 62488272.

It is an arithmetic number, because the mean of its divisors is an integer number (14996870880).

Almost surely, 2^163840813053 is an apocalyptic number.

It is an amenable number.

163840813053 is a deficient number, since it is larger than the sum of its proper divisors (76109121027).

163840813053 is a wasteful number, since it uses less digits than its factorization.

163840813053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124973968.

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 163840813053 in words is "one hundred sixty-three billion, eight hundred forty million, eight hundred thirteen thousand, fifty-three".