203202054501664 has 12 divisors (see below), whose sum is σ = 400054044800214. Its totient is φ = 101601027250816.

The previous prime is 203202054501623. The next prime is 203202054501671. The reversal of 203202054501664 is 466105450202302.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 200774503538064 + 2427550963600 = 14169492^2 + 1558060^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3175032101557 + ... + 3175032101620.

Almost surely, 2^{203202054501664} is an apocalyptic number.

It is an amenable number.

203202054501664 is a deficient number, since it is larger than the sum of its proper divisors (196851990298550).

203202054501664 is an equidigital number, since it uses as much as digits as its factorization.

203202054501664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6350064203187 (or 6350064203179 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 203202054501664 in words is "two hundred three trillion, two hundred two billion, fifty-four million, five hundred one thousand, six hundred sixty-four".