16206552122 has 12 divisors (see below), whose sum is σ = 24447790458. Its totient is φ = 8057302200.

The previous prime is 16206552059. The next prime is 16206552127. The reversal of 16206552122 is 22125560261.

It can be written as a sum of positive squares in only one way, i.e., 16161782641 + 44769481 = 127129^2 + 6691^2 .

It is not an unprimeable number, because it can be changed into a prime (16206552127) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2418797 + ... + 2425487.

Almost surely, 2^16206552122 is an apocalyptic number.

16206552122 is a deficient number, since it is larger than the sum of its proper divisors (8241238336).

16206552122 is an frugal number, since it uses more digits than its factorization.

16206552122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13565 (or 6874 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 16206552122 in words is "sixteen billion, two hundred six million, five hundred fifty-two thousand, one hundred twenty-two".