16625220336 has 30 divisors (see below), whose sum is σ = 46527526760. Its totient is φ = 5541740064.

The previous prime is 16625220331. The next prime is 16625220373. The reversal of 16625220336 is 63302252661.

16625220336 is a `hidden beast` number, since 1 + 6 + 625 + 2 + 20 + 3 + 3 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 16625220336.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16625220331) 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, 57726316 + ... + 57726603.

Almost surely, 2^16625220336 is an apocalyptic number.

16625220336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16625220336 is an abundant number, since it is smaller than the sum of its proper divisors (29902306424).

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

16625220336 is a wasteful number, since it uses less digits than its factorization.

16625220336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115452933 (or 115452924 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

Adding to 16625220336 its reverse (63302252661), we get a palindrome (79927472997).

The spelling of 16625220336 in words is "sixteen billion, six hundred twenty-five million, two hundred twenty thousand, three hundred thirty-six".