61373323000 has 128 divisors (see below), whose sum is σ = 158877987840. Its totient is φ = 22002960000.

The previous prime is 61373322971. The next prime is 61373323013. The reversal of 61373323000 is 32337316.

It is a self number, because there is not a number n which added to its sum of digits gives 61373323000.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 741709 + ... + 820291.

It is an arithmetic number, because the mean of its divisors is an integer number (1241234280).

Almost surely, 2^61373323000 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 61373323000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79438993920).

61373323000 is an abundant number, since it is smaller than the sum of its proper divisors (97504664840).

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

61373323000 is a wasteful number, since it uses less digits than its factorization.

61373323000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78686 (or 78672 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 28.

The spelling of 61373323000 in words is "sixty-one billion, three hundred seventy-three million, three hundred twenty-three thousand".