61323600100 has 144 divisors (see below), whose sum is σ = 165608150400. Its totient is φ = 19231672320.

The previous prime is 61323600007. The next prime is 61323600131. The reversal of 61323600100 is 100632316.

61323600100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 306204 + ... + 465196.

It is an arithmetic number, because the mean of its divisors is an integer number (1150056600).

Almost surely, 2^61323600100 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 61323600100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82804075200).

61323600100 is an abundant number, since it is smaller than the sum of its proper divisors (104284550300).

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

61323600100 is a wasteful number, since it uses less digits than its factorization.

61323600100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159062 (or 159055 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The spelling of 61323600100 in words is "sixty-one billion, three hundred twenty-three million, six hundred thousand, one hundred".