163553103047 has 4 divisors (see below), whose sum is σ = 163593262560. Its totient is φ = 163512943536.

The previous prime is 163553103041. The next prime is 163553103053. The reversal of 163553103047 is 740301355361.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (163553103041) and next prime (163553103053).

It is a cyclic number.

It is not a de Polignac number, because 163553103047 - 2¹⁴ = 163553086663 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 163553103047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163553103041) 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, 20073647 + ... + 20081792.

It is an arithmetic number, because the mean of its divisors is an integer number (40898315640).

Almost surely, 2^163553103047 is an apocalyptic number.

163553103047 is a deficient number, since it is larger than the sum of its proper divisors (40159513).

163553103047 is an equidigital number, since it uses as much as digits as its factorization.

163553103047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40159512.

The product of its (nonzero) digits is 113400, while the sum is 38.

The spelling of 163553103047 in words is "one hundred sixty-three billion, five hundred fifty-three million, one hundred three thousand, forty-seven".