16950738025 has 27 divisors (see below), whose sum is σ = 22771495749. Its totient is φ = 12511218720.

The previous prime is 16950737971. The next prime is 16950738067. The reversal of 16950738025 is 52083705961.

The square root of 16950738025 is 130195.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 4369077801 + 12581660224 = 66099^2 + 112168^2 .

It is not a de Polignac number, because 16950738025 - 2¹⁹ = 16950213737 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 8461674 + ... + 8463676.

Almost surely, 2^16950738025 is an apocalyptic number.

16950738025 is the 130195-th square number.

16950738025 is the 65098-th centered octagonal number.

It is an amenable number.

16950738025 is a deficient number, since it is larger than the sum of its proper divisors (5820757724).

16950738025 is an frugal number, since it uses more digits than its factorization.

16950738025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4042 (or 2021 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 46.

The spelling of 16950738025 in words is "sixteen billion, nine hundred fifty million, seven hundred thirty-eight thousand, twenty-five".