16626264040228 has 24 divisors (see below), whose sum is σ = 29207545065720. Its totient is φ = 8281258402560.

The previous prime is 16626264040213. The next prime is 16626264040229. The reversal of 16626264040228 is 82204046262661.

It can be written as a sum of positive squares in 4 ways, for example, as 3303822440164 + 13322441600064 = 1817642^2 + 3649992^2 .

It is not an unprimeable number, because it can be changed into a prime (16626264040229) 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, 8332800 + ... + 10133512.

It is an arithmetic number, because the mean of its divisors is an integer number (1216981044405).

Almost surely, 2^{16626264040228} is an apocalyptic number.

It is an amenable number.

16626264040228 is a deficient number, since it is larger than the sum of its proper divisors (12581281025492).

16626264040228 is a wasteful number, since it uses less digits than its factorization.

16626264040228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1809567 (or 1809565 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 49.

The spelling of 16626264040228 in words is "sixteen trillion, six hundred twenty-six billion, two hundred sixty-four million, forty thousand, two hundred twenty-eight".