6605156 has 12 divisors (see below), whose sum is σ = 11957820. Its totient is φ = 3188640.

The previous prime is 6605153. The next prime is 6605167. The reversal of 6605156 is 6515066.

It can be written as a sum of positive squares in 2 ways, for example, as 3422500 + 3182656 = 1850^2 + 1784^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (6605153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28355 + ... + 28586.

It is an arithmetic number, because the mean of its divisors is an integer number (996485).

Almost surely, 2^6605156 is an apocalyptic number.

It is an amenable number.

6605156 is a deficient number, since it is larger than the sum of its proper divisors (5352664).

6605156 is a wasteful number, since it uses less digits than its factorization.

6605156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56974 (or 56972 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 6605156 is about 2570.0498049649. The cubic root of 6605156 is about 187.6265788253.

The spelling of 6605156 in words is "six million, six hundred five thousand, one hundred fifty-six".