6690056 has 32 divisors (see below), whose sum is σ = 13253760. Its totient is φ = 3159552.

The previous prime is 6690029. The next prime is 6690059. The reversal of 6690056 is 6500966.

It is not an unprimeable number, because it can be changed into a prime (6690059) 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, 18776 + ... + 19128.

It is an arithmetic number, because the mean of its divisors is an integer number (414180).

Almost surely, 2^6690056 is an apocalyptic number.

It is an amenable number.

6690056 is a deficient number, since it is larger than the sum of its proper divisors (6563704).

6690056 is a wasteful number, since it uses less digits than its factorization.

6690056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485 (or 481 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 6690056 is about 2586.5142566783. The cubic root of 6690056 is about 188.4270509283.

The spelling of 6690056 in words is "six million, six hundred ninety thousand, fifty-six".