601166165 has 8 divisors (see below), whose sum is σ = 722093400. Its totient is φ = 480470272.

The previous prime is 601166147. The next prime is 601166171. The reversal of 601166165 is 561661106.

It can be written as a sum of positive squares in 4 ways, for example, as 136375684 + 464790481 = 11678^2 + 21559^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 601166165 - 2¹² = 601162069 is a prime.

It is a super-2 number, since 2×601166165² = 722801515881614450, 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 in 7 ways as a sum of consecutive naturals, for example, 52064 + ... + 62553.

It is an arithmetic number, because the mean of its divisors is an integer number (90261675).

Almost surely, 2^601166165 is an apocalyptic number.

It is an amenable number.

601166165 is a deficient number, since it is larger than the sum of its proper divisors (120927235).

601166165 is a wasteful number, since it uses less digits than its factorization.

601166165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115671.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 601166165 is about 24518.6901159095. The cubic root of 601166165 is about 843.9787459178.

The spelling of 601166165 in words is "six hundred one million, one hundred sixty-six thousand, one hundred sixty-five".