6601909162 has 4 divisors (see below), whose sum is σ = 9902863746. Its totient is φ = 3300954580.

The previous prime is 6601909123. The next prime is 6601909187. The reversal of 6601909162 is 2619091066.

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., 6559542081 + 42367081 = 80991^2 + 6509^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1650477289 + ... + 1650477292.

Almost surely, 2^6601909162 is an apocalyptic number.

6601909162 is a deficient number, since it is larger than the sum of its proper divisors (3300954584).

6601909162 is a wasteful number, since it uses less digits than its factorization.

6601909162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3300954583.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 6601909162 is about 81252.1332766100. The cubic root of 6601909162 is about 1875.9583047502.

The spelling of 6601909162 in words is "six billion, six hundred one million, nine hundred nine thousand, one hundred sixty-two".