61938363096 has 256 divisors, whose sum is σ = 181122480000. Its totient is φ = 19585843200.

The previous prime is 61938363031. The next prime is 61938363163. The reversal of 61938363096 is 69036383916.

It is a happy number.

61938363096 is a `hidden beast` number, since 6 + 193 + 8 + 363 + 0 + 96 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 134356306 + ... + 134356766.

Almost surely, 2^61938363096 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 61938363096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90561240000).

61938363096 is an abundant number, since it is smaller than the sum of its proper divisors (119184116904).

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

61938363096 is a wasteful number, since it uses less digits than its factorization.

61938363096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835 (or 825 counting only the distinct ones).

The product of its (nonzero) digits is 3779136, while the sum is 54.

The spelling of 61938363096 in words is "sixty-one billion, nine hundred thirty-eight million, three hundred sixty-three thousand, ninety-six".