663465201 has 16 divisors (see below), whose sum is σ = 1017439104. Its totient is φ = 376706304.

The previous prime is 663465197. The next prime is 663465203. The reversal of 663465201 is 102564366.

It is not a de Polignac number, because 663465201 - 2² = 663465197 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (663465203) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 97320 + ... + 103913.

It is an arithmetic number, because the mean of its divisors is an integer number (63589944).

Almost surely, 2^663465201 is an apocalyptic number.

It is an amenable number.

663465201 is a deficient number, since it is larger than the sum of its proper divisors (353973903).

663465201 is a wasteful number, since it uses less digits than its factorization.

663465201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201400.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 663465201 is about 25757.8182499994. The cubic root of 663465201 is about 872.1798513977.

The spelling of 663465201 in words is "six hundred sixty-three million, four hundred sixty-five thousand, two hundred one".