1016888225 has 12 divisors (see below), whose sum is σ = 1262018556. Its totient is φ = 812815680.

The previous prime is 1016888183. The next prime is 1016888261. The reversal of 1016888225 is 5228886101.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 76177984 + 940710241 = 8728^2 + 30671^2 .

It is not a de Polignac number, because 1016888225 - 2⁸ = 1016887969 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13559 + ... + 47091.

It is an arithmetic number, because the mean of its divisors is an integer number (105168213).

Almost surely, 2^1016888225 is an apocalyptic number.

It is an amenable number.

1016888225 is a deficient number, since it is larger than the sum of its proper divisors (245130331).

1016888225 is a wasteful number, since it uses less digits than its factorization.

1016888225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34756 (or 34751 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 41.

The square root of 1016888225 is about 31888.6849054645. The cubic root of 1016888225 is about 1005.5980121173.

The spelling of 1016888225 in words is "one billion, sixteen million, eight hundred eighty-eight thousand, two hundred twenty-five".