5661066 has 8 divisors (see below), whose sum is σ = 11322144. Its totient is φ = 1887020.

The previous prime is 5661041. The next prime is 5661067. The reversal of 5661066 is 6601665.

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

5661066 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (5661067) 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, 471750 + ... + 471761.

It is an arithmetic number, because the mean of its divisors is an integer number (1415268).

Almost surely, 2^5661066 is an apocalyptic number.

5661066 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5661066 is a wasteful number, since it uses less digits than its factorization.

5661066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943516.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 5661066 is about 2379.2994767368. The cubic root of 5661066 is about 178.2239532673.

The spelling of 5661066 in words is "five million, six hundred sixty-one thousand, sixty-six".