104638178736 has 240 divisors, whose sum is σ = 376091928576. Its totient is φ = 26396941824.

The previous prime is 104638178717. The next prime is 104638178761. The reversal of 104638178736 is 637871836401.

104638178736 is a `hidden beast` number, since 1 + 0 + 463 + 8 + 178 + 7 + 3 + 6 = 666.

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, 127801 + ... + 474983.

Almost surely, 2^104638178736 is an apocalyptic number.

104638178736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 104638178736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188045964288).

104638178736 is an abundant number, since it is smaller than the sum of its proper divisors (271453749840).

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

104638178736 is a wasteful number, since it uses less digits than its factorization.

104638178736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347240 (or 347231 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 54.

The spelling of 104638178736 in words is "one hundred four billion, six hundred thirty-eight million, one hundred seventy-eight thousand, seven hundred thirty-six".