6636006632 has 8 divisors (see below), whose sum is σ = 12442512450. Its totient is φ = 3318003312.

The previous prime is 6636006631. The next prime is 6636006649. The reversal of 6636006632 is 2366006366.

It can be written as a sum of positive squares in only one way, i.e., 5521381636 + 1114624996 = 74306^2 + 33386^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (6636006631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 414750407 + ... + 414750422.

Almost surely, 2^6636006632 is an apocalyptic number.

It is an amenable number.

6636006632 is a deficient number, since it is larger than the sum of its proper divisors (5806505818).

6636006632 is a wasteful number, since it uses less digits than its factorization.

6636006632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829500835 (or 829500831 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 38.

The square root of 6636006632 is about 81461.6881239273. The cubic root of 6636006632 is about 1879.1824036527.

The spelling of 6636006632 in words is "six billion, six hundred thirty-six million, six thousand, six hundred thirty-two".