16623013750522 has 16 divisors (see below), whose sum is σ = 27114804625320. Its totient is φ = 7611173227008.

The previous prime is 16623013750487. The next prime is 16623013750523. The reversal of 16623013750522 is 22505731032661.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 16613523288961 + 9490461561 = 4075969^2 + 97419^2 .

It is a super-4 number, since 4×16623013750522⁴ (a number of 54 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is not an unprimeable number, because it can be changed into a prime (16623013750523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6606919947 + ... + 6606922462.

Almost surely, 2^{16623013750522} is an apocalyptic number.

16623013750522 is a deficient number, since it is larger than the sum of its proper divisors (10491790874798).

16623013750522 is a wasteful number, since it uses less digits than its factorization.

16623013750522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13213842465.

The product of its (nonzero) digits is 453600, while the sum is 43.

The spelling of 16623013750522 in words is "sixteen trillion, six hundred twenty-three billion, thirteen million, seven hundred fifty thousand, five hundred twenty-two".