601161665000 has 80 divisors (see below), whose sum is σ = 1516869774420. Its totient is φ = 221967360000.

The previous prime is 601161664937. The next prime is 601161665009. The reversal of 601161665000 is 566161106.

It can be written as a sum of positive squares in 10 ways, for example, as 307889594884 + 293272070116 = 554878^2 + 541546^2 .

It is a super-2 number, since 2×601161665000² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (601161665009) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4559321 + ... + 4689320.

Almost surely, 2^601161665000 is an apocalyptic number.

It is an amenable number.

601161665000 is an abundant number, since it is smaller than the sum of its proper divisors (915708109420).

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

601161665000 is a wasteful number, since it uses less digits than its factorization.

601161665000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9248680 (or 9248661 counting only the distinct ones).

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

The spelling of 601161665000 in words is "six hundred one billion, one hundred sixty-one million, six hundred sixty-five thousand".