663057001 has 16 divisors (see below), whose sum is σ = 716688000. Its totient is φ = 611170560.

The previous prime is 663056987. The next prime is 663057011. The reversal of 663057001 is 100750366.

663057001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 663057001 - 2²⁵ = 629502569 is a prime.

It is a super-2 number, since 2×663057001² = 879289173150228002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (663057011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187750 + ... + 191248.

It is an arithmetic number, because the mean of its divisors is an integer number (44793000).

Almost surely, 2^663057001 is an apocalyptic number.

It is an amenable number.

663057001 is a deficient number, since it is larger than the sum of its proper divisors (53630999).

663057001 is a wasteful number, since it uses less digits than its factorization.

663057001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3744.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 663057001 is about 25749.8932230796. The cubic root of 663057001 is about 872.0009438203. Note that the first 3 decimals are identical.

The spelling of 663057001 in words is "six hundred sixty-three million, fifty-seven thousand, one".