63664041 has 32 divisors (see below), whose sum is σ = 102630400. Its totient is φ = 34292160.

The previous prime is 63664039. The next prime is 63664043. The reversal of 63664041 is 14046636.

It is an interprime number because it is at equal distance from previous prime (63664039) and next prime (63664043).

It is not a de Polignac number, because 63664041 - 2¹ = 63664039 is a prime.

It is a super-2 number, since 2×63664041² = 8106220232899362, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (63664043) 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 31 ways as a sum of consecutive naturals, for example, 151011 + ... + 151431.

It is an arithmetic number, because the mean of its divisors is an integer number (3207200).

Almost surely, 2^63664041 is an apocalyptic number.

It is an amenable number.

63664041 is a deficient number, since it is larger than the sum of its proper divisors (38966359).

63664041 is a wasteful number, since it uses less digits than its factorization.

63664041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 63664041 is about 7978.9749341629. The cubic root of 63664041 is about 399.2988571315.

The spelling of 63664041 in words is "sixty-three million, six hundred sixty-four thousand, forty-one".