163393797053 has 8 divisors (see below), whose sum is σ = 168478420320. Its totient is φ = 158344362000.

The previous prime is 163393797023. The next prime is 163393797103. The reversal of 163393797053 is 350797393361.

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

It is a cyclic number.

It is not a de Polignac number, because 163393797053 - 2³⁴ = 146213927869 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 163393797053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163393797023) 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, 8787623 + ... + 8806196.

It is an arithmetic number, because the mean of its divisors is an integer number (21059802540).

Almost surely, 2^163393797053 is an apocalyptic number.

It is an amenable number.

163393797053 is a deficient number, since it is larger than the sum of its proper divisors (5084623267).

163393797053 is a wasteful number, since it uses less digits than its factorization.

163393797053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17594107.

The product of its (nonzero) digits is 9644670, while the sum is 56.

The spelling of 163393797053 in words is "one hundred sixty-three billion, three hundred ninety-three million, seven hundred ninety-seven thousand, fifty-three".