6606968785 has 8 divisors (see below), whose sum is σ = 7928798760. Its totient is φ = 5285284224.

The previous prime is 6606968773. The next prime is 6606968789. The reversal of 6606968785 is 5878696066.

It can be written as a sum of positive squares in 4 ways, for example, as 1075774401 + 5531194384 = 32799^2 + 74372^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 6606968785 - 2¹⁹ = 6606444497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6606968789) 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, 163371 + ... + 199759.

It is an arithmetic number, because the mean of its divisors is an integer number (991099845).

Almost surely, 2^6606968785 is an apocalyptic number.

It is an amenable number.

6606968785 is a deficient number, since it is larger than the sum of its proper divisors (1321829975).

6606968785 is a wasteful number, since it uses less digits than its factorization.

6606968785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72707.

The product of its (nonzero) digits is 26127360, while the sum is 61.

The square root of 6606968785 is about 81283.2626375197. The cubic root of 6606968785 is about 1876.4374195954.

The spelling of 6606968785 in words is "six billion, six hundred six million, nine hundred sixty-eight thousand, seven hundred eighty-five".