6661135246 has 8 divisors (see below), whose sum is σ = 10224068184. Its totient is φ = 3253112520.

The previous prime is 6661135213. The next prime is 6661135253. The reversal of 6661135246 is 6425311666.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 6661135199 and 6661135208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38727445 + ... + 38727616.

It is an arithmetic number, because the mean of its divisors is an integer number (1278008523).

Almost surely, 2^6661135246 is an apocalyptic number.

6661135246 is a deficient number, since it is larger than the sum of its proper divisors (3562932938).

6661135246 is a wasteful number, since it uses less digits than its factorization.

6661135246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77455106.

The product of its digits is 155520, while the sum is 40.

The square root of 6661135246 is about 81615.7781681949. The cubic root of 6661135246 is about 1881.5513871193.

The spelling of 6661135246 in words is "six billion, six hundred sixty-one million, one hundred thirty-five thousand, two hundred forty-six".