5961666 has 8 divisors (see below), whose sum is σ = 11923344. Its totient is φ = 1987220.

The previous prime is 5961653. The next prime is 5961689. The reversal of 5961666 is 6661695.

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

5961666 is an admirable number.

It is a super-2 number, since 2×5961666² = 71082922991112, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 496800 + ... + 496811.

It is an arithmetic number, because the mean of its divisors is an integer number (1490418).

Almost surely, 2^5961666 is an apocalyptic number.

5961666 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.

5961666 is a wasteful number, since it uses less digits than its factorization.

5961666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993616.

The product of its digits is 58320, while the sum is 39.

The square root of 5961666 is about 2441.6523094003. The cubic root of 5961666 is about 181.3242460784.

The spelling of 5961666 in words is "five million, nine hundred sixty-one thousand, six hundred sixty-six".