16226290658 has 6 divisors (see below), whose sum is σ = 24339706209. Its totient is φ = 8113055256.

The previous prime is 16226290649. The next prime is 16226290673. The reversal of 16226290658 is 85609262261.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 14181713569 + 2044577089 = 119087^2 + 45217^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=90073.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 135110 + ... + 225182.

Almost surely, 2^16226290658 is an apocalyptic number.

16226290658 is a deficient number, since it is larger than the sum of its proper divisors (8113415551).

16226290658 is an frugal number, since it uses more digits than its factorization.

16226290658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180148 (or 90075 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 47.

The spelling of 16226290658 in words is "sixteen billion, two hundred twenty-six million, two hundred ninety thousand, six hundred fifty-eight".