601791606 has 80 divisors (see below), whose sum is σ = 1491627984. Its totient is φ = 180138816.

The previous prime is 601791601. The next prime is 601791613. The reversal of 601791606 is 606197106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (601791601) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 74061 + ... + 81783.

Almost surely, 2^601791606 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 601791606, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (745813992).

601791606 is an abundant number, since it is smaller than the sum of its proper divisors (889836378).

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

601791606 is a wasteful number, since it uses less digits than its factorization.

601791606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7787 (or 7778 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 601791606 is about 24531.4411725035. The cubic root of 601791606 is about 844.2713305582.

The spelling of 601791606 in words is "six hundred one million, seven hundred ninety-one thousand, six hundred six".