163553416333 has 16 divisors (see below), whose sum is σ = 169579882800. Its totient is φ = 157553141760.

The previous prime is 163553416283. The next prime is 163553416339. The reversal of 163553416333 is 333614355361.

It can be written as a sum of positive squares in 8 ways, for example, as 5103244969 + 158450171364 = 71437^2 + 398058^2 .

It is a cyclic number.

It is not a de Polignac number, because 163553416333 - 2⁹ = 163553415821 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 163553416333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163553416339) 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, 32571363 + ... + 32576383.

It is an arithmetic number, because the mean of its divisors is an integer number (10598742675).

Almost surely, 2^163553416333 is an apocalyptic number.

It is an amenable number.

163553416333 is a deficient number, since it is larger than the sum of its proper divisors (6026466467).

163553416333 is a wasteful number, since it uses less digits than its factorization.

163553416333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7392.

The product of its digits is 874800, while the sum is 43.

The spelling of 163553416333 in words is "one hundred sixty-three billion, five hundred fifty-three million, four hundred sixteen thousand, three hundred thirty-three".