16609275396 has 72 divisors (see below), whose sum is σ = 50091481440. Its totient is φ = 4745505744.

The previous prime is 16609275343. The next prime is 16609275421. The reversal of 16609275396 is 69357290661.

16609275396 is a `hidden beast` number, since 1 + 6 + 609 + 27 + 5 + 3 + 9 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1563990 + ... + 1574573.

It is an arithmetic number, because the mean of its divisors is an integer number (695715020).

Almost surely, 2^16609275396 is an apocalyptic number.

It is an amenable number.

16609275396 is an abundant number, since it is smaller than the sum of its proper divisors (33482206044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16609275396 is a wasteful number, since it uses less digits than its factorization.

16609275396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3138590 (or 3138575 counting only the distinct ones).

The product of its (nonzero) digits is 3674160, while the sum is 54.

The spelling of 16609275396 in words is "sixteen billion, six hundred nine million, two hundred seventy-five thousand, three hundred ninety-six".