16206551661106 has 4 divisors (see below), whose sum is σ = 24309827491662. Its totient is φ = 8103275830552.

The previous prime is 16206551661043. The next prime is 16206551661107. The reversal of 16206551661106 is 60116615560261.

16206551661106 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9459592166025 + 6746959495081 = 3075645^2 + 2597491^2 .

It is not an unprimeable number, because it can be changed into a prime (16206551661107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4051637915275 + ... + 4051637915278.

Almost surely, 2^{16206551661106} is an apocalyptic number.

16206551661106 is a deficient number, since it is larger than the sum of its proper divisors (8103275830556).

16206551661106 is an equidigital number, since it uses as much as digits as its factorization.

16206551661106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8103275830555.

The product of its (nonzero) digits is 388800, while the sum is 46.

The spelling of 16206551661106 in words is "sixteen trillion, two hundred six billion, five hundred fifty-one million, six hundred sixty-one thousand, one hundred six".