16523442130 has 16 divisors (see below), whose sum is σ = 32030057304. Its totient is φ = 6100963200.

The previous prime is 16523442097. The next prime is 16523442139. The reversal of 16523442130 is 3124432561.

It can be written as a sum of positive squares in 4 ways, for example, as 14786803201 + 1736638929 = 121601^2 + 41673^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16523442092 and 16523442101.

It is not an unprimeable number, because it can be changed into a prime (16523442139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63551571 + ... + 63551830.

Almost surely, 2^16523442130 is an apocalyptic number.

16523442130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16523442130 is a deficient number, since it is larger than the sum of its proper divisors (15506615174).

16523442130 is a wasteful number, since it uses less digits than its factorization.

16523442130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127103421.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 16523442130 its reverse (3124432561), we get a palindrome (19647874691).

The spelling of 16523442130 in words is "sixteen billion, five hundred twenty-three million, four hundred forty-two thousand, one hundred thirty".