601165100550 has 192 divisors, whose sum is σ = 1794285158400. Its totient is φ = 130123843200.

The previous prime is 601165100533. The next prime is 601165100551. The reversal of 601165100550 is 55001561106.

It is a super-2 number, since 2×601165100550² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (601165100551) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 67007565 + ... + 67016535.

It is an arithmetic number, because the mean of its divisors is an integer number (9345235200).

Almost surely, 2^601165100550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 601165100550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (897142579200).

601165100550 is an abundant number, since it is smaller than the sum of its proper divisors (1193120057850).

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

601165100550 is a wasteful number, since it uses less digits than its factorization.

601165100550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12371 (or 12366 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 30.

Adding to 601165100550 its reverse (55001561106), we get a palindrome (656166661656).

The spelling of 601165100550 in words is "six hundred one billion, one hundred sixty-five million, one hundred thousand, five hundred fifty".