601166 has 4 divisors (see below), whose sum is σ = 901752. Its totient is φ = 300582.

The previous prime is 601147. The next prime is 601187. The reversal of 601166 is 661106.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×601166² = 722801119112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150290 + ... + 150293.

It is an arithmetic number, because the mean of its divisors is an integer number (225438).

2⁶⁰¹¹⁶⁶ is an apocalyptic number.

601166 is a deficient number, since it is larger than the sum of its proper divisors (300586).

601166 is a wasteful number, since it uses less digits than its factorization.

601166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300585.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 601166 is about 775.3489536976. The cubic root of 601166 is about 84.3978668703.

It can be divided in two parts, 601 and 166, that added together give a palindrome (767).

The spelling of 601166 in words is "six hundred one thousand, one hundred sixty-six".