16600450153225 has 9 divisors (see below), whose sum is σ = 20584583451093. Its totient is φ = 13280343825120.

The previous prime is 16600450153213. The next prime is 16600450153253. The reversal of 16600450153225 is 52235105400661.

The square root of 16600450153225 is 4074365.

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 1951796202489 + 14648653950736 = 1397067^2 + 3827356^2 .

It is not a de Polignac number, because 16600450153225 - 2²⁵ = 16600416598793 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 19964389 + ... + 20779261.

Almost surely, 2^{16600450153225} is an apocalyptic number.

16600450153225 is the 4074365-th square number.

16600450153225 is the 2037183-rd centered octagonal number.

It is an amenable number.

16600450153225 is a deficient number, since it is larger than the sum of its proper divisors (3984133297868).

16600450153225 is an frugal number, since it uses more digits than its factorization.

16600450153225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1629756 (or 814878 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 40.

Adding to 16600450153225 its reverse (52235105400661), we get a palindrome (68835555553886).

The spelling of 16600450153225 in words is "sixteen trillion, six hundred billion, four hundred fifty million, one hundred fifty-three thousand, two hundred twenty-five".