163553103007 has 24 divisors (see below), whose sum is σ = 198414229536. Its totient is φ = 132041997504.

The previous prime is 163553102989. The next prime is 163553103013. The reversal of 163553103007 is 700301355361.

It is not a de Polignac number, because 163553103007 - 2¹¹ = 163553100959 is a prime.

It is a super-4 number, since 4×163553103007⁴ (a number of 46 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163553103407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 250113 + ... + 624229.

It is an arithmetic number, because the mean of its divisors is an integer number (8267259564).

Almost surely, 2^163553103007 is an apocalyptic number.

163553103007 is a deficient number, since it is larger than the sum of its proper divisors (34861126529).

163553103007 is a wasteful number, since it uses less digits than its factorization.

163553103007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374335 (or 374316 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 34.

Adding to 163553103007 its reverse (700301355361), we get a palindrome (863854458368).

The spelling of 163553103007 in words is "one hundred sixty-three billion, five hundred fifty-three million, one hundred three thousand, seven".