601161661660 has 72 divisors (see below), whose sum is σ = 1483092422784. Its totient is φ = 204071817600.

The previous prime is 601161661651. The next prime is 601161661663. The reversal of 601161661660 is 66166161106.

It is a super-2 number, since 2×601161661660² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (601161661663) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2937804 + ... + 3135763.

It is an arithmetic number, because the mean of its divisors is an integer number (20598505872).

Almost surely, 2^601161661660 is an apocalyptic number.

It is an amenable number.

601161661660 is an abundant number, since it is smaller than the sum of its proper divisors (881930761124).

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

601161661660 is a wasteful number, since it uses less digits than its factorization.

601161661660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6073691 (or 6073682 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 40.

The spelling of 601161661660 in words is "six hundred one billion, one hundred sixty-one million, six hundred sixty-one thousand, six hundred sixty".