601161560 has 64 divisors (see below), whose sum is σ = 1383782400. Its totient is φ = 234988416.

The previous prime is 601161553. The next prime is 601161571. The reversal of 601161560 is 65161106.

It is a super-2 number, since 2×601161560² = 722790442443267200, 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 15 ways as a sum of consecutive naturals, for example, 324557 + ... + 326403.

It is an arithmetic number, because the mean of its divisors is an integer number (21621600).

Almost surely, 2^601161560 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 601161560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (691891200).

601161560 is an abundant number, since it is smaller than the sum of its proper divisors (782620840).

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

601161560 is a wasteful number, since it uses less digits than its factorization.

601161560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2040 (or 2036 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 601161560 is about 24518.5962077767. The cubic root of 601161560 is about 843.9765909218.

The spelling of 601161560 in words is "six hundred one million, one hundred sixty-one thousand, five hundred sixty".