163553015413344 has 96 divisors (see below), whose sum is σ = 432009539017056. Its totient is φ = 54177635348480.

The previous prime is 163553015413313. The next prime is 163553015413387. The reversal of 163553015413344 is 443314510355361.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 163553015413293 and 163553015413302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11162014 + ... + 21253154.

It is an arithmetic number, because the mean of its divisors is an integer number (4500099364761).

Almost surely, 2^{163553015413344} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163553015413344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216004769508528).

163553015413344 is an abundant number, since it is smaller than the sum of its proper divisors (268456523603712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163553015413344 is a wasteful number, since it uses less digits than its factorization.

163553015413344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10092208 (or 10092200 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 48.

The spelling of 163553015413344 in words is "one hundred sixty-three trillion, five hundred fifty-three billion, fifteen million, four hundred thirteen thousand, three hundred forty-four".