601616 has 20 divisors (see below), whose sum is σ = 1227600. Its totient is φ = 284832.

The previous prime is 601607. The next prime is 601631. The reversal of 601616 is 616106.

It is a super-2 number, since 2×601616² = 723883622912, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 686 + ... + 1293.

It is an arithmetic number, because the mean of its divisors is an integer number (61380).

2⁶⁰¹⁶¹⁶ is an apocalyptic number.

It is an amenable number.

601616 is an abundant number, since it is smaller than the sum of its proper divisors (625984).

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

601616 is a wasteful number, since it uses less digits than its factorization.

601616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2006 (or 2000 counting only the distinct ones).

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

The square root of 601616 is about 775.6390913305. The cubic root of 601616 is about 84.4189201610.

The spelling of 601616 in words is "six hundred one thousand, six hundred sixteen".