6661033136 has 10 divisors (see below), whose sum is σ = 12905751732. Its totient is φ = 3330516560.

The previous prime is 6661033133. The next prime is 6661033189. The reversal of 6661033136 is 6313301666.

It is a junction number, because it is equal to n+sod(n) for n = 6661033096 and 6661033105.

It is not an unprimeable number, because it can be changed into a prime (6661033133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 208157270 + ... + 208157301.

Almost surely, 2^6661033136 is an apocalyptic number.

It is an amenable number.

6661033136 is a deficient number, since it is larger than the sum of its proper divisors (6244718596).

6661033136 is a wasteful number, since it uses less digits than its factorization.

6661033136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416314579 (or 416314573 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 35.

The square root of 6661033136 is about 81615.1526127348. The cubic root of 6661033136 is about 1881.5417728325.

The spelling of 6661033136 in words is "six billion, six hundred sixty-one million, thirty-three thousand, one hundred thirty-six".