8063632646 has 16 divisors (see below), whose sum is σ = 12236281200. Its totient is φ = 3984908928.

The previous prime is 8063632637. The next prime is 8063632649. The reversal of 8063632646 is 6462363608.

It is a super-2 number, since 2×8063632646² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8063632597 and 8063632606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8063632649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 519770 + ... + 535058.

It is an arithmetic number, because the mean of its divisors is an integer number (764767575).

Almost surely, 2^8063632646 is an apocalyptic number.

8063632646 is a deficient number, since it is larger than the sum of its proper divisors (4172648554).

8063632646 is a wasteful number, since it uses less digits than its factorization.

8063632646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18343.

The product of its (nonzero) digits is 746496, while the sum is 44.

The square root of 8063632646 is about 89797.7318533158. The cubic root of 8063632646 is about 2005.2887228778.

The spelling of 8063632646 in words is "eight billion, sixty-three million, six hundred thirty-two thousand, six hundred forty-six".