6632606138 has 4 divisors (see below), whose sum is σ = 9948909210. Its totient is φ = 3316303068.

The previous prime is 6632606137. The next prime is 6632606179. The reversal of 6632606138 is 8316062366.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6451784329 + 180821809 = 80323^2 + 13447^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6632606095 and 6632606104.

It is not an unprimeable number, because it can be changed into a prime (6632606131) 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 as a sum of consecutive naturals, namely, 1658151533 + ... + 1658151536.

Almost surely, 2^6632606138 is an apocalyptic number.

6632606138 is a deficient number, since it is larger than the sum of its proper divisors (3316303072).

6632606138 is a wasteful number, since it uses less digits than its factorization.

6632606138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3316303071.

The product of its (nonzero) digits is 186624, while the sum is 41.

The square root of 6632606138 is about 81440.8137115537. The cubic root of 6632606138 is about 1878.8613651800.

The spelling of 6632606138 in words is "six billion, six hundred thirty-two million, six hundred six thousand, one hundred thirty-eight".