1606373400225 has 36 divisors (see below), whose sum is σ = 2919262839248. Its totient is φ = 778847704800.

The previous prime is 1606373400199. The next prime is 1606373400253. The reversal of 1606373400225 is 5220043736061.

It is not a de Polignac number, because 1606373400225 - 2⁵ = 1606373400193 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 88496347 + ... + 88514496.

Almost surely, 2^{1606373400225} is an apocalyptic number.

1606373400225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1606373400225 is a deficient number, since it is larger than the sum of its proper divisors (1312889439023).

1606373400225 is a wasteful number, since it uses less digits than its factorization.

1606373400225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177010878 (or 177010862 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 39.

The spelling of 1606373400225 in words is "one trillion, six hundred six billion, three hundred seventy-three million, four hundred thousand, two hundred twenty-five".