61100166150 has 72 divisors (see below), whose sum is σ = 164448034920. Its totient is φ = 16264369920.

The previous prime is 61100166133. The next prime is 61100166151. The reversal of 61100166150 is 5166100116.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61100166151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 132766 + ... + 373934.

It is an arithmetic number, because the mean of its divisors is an integer number (2284000485).

Almost surely, 2^61100166150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61100166150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82224017460).

61100166150 is an abundant number, since it is smaller than the sum of its proper divisors (103347868770).

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

61100166150 is a wasteful number, since it uses less digits than its factorization.

61100166150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241750 (or 241742 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

Adding to 61100166150 its reverse (5166100116), we get a palindrome (66266266266).

The spelling of 61100166150 in words is "sixty-one billion, one hundred million, one hundred sixty-six thousand, one hundred fifty".