116374321638 has 24 divisors (see below), whose sum is σ = 252495079200. Its totient is φ = 38737484304.

The previous prime is 116374321631. The next prime is 116374321667. The reversal of 116374321638 is 836123473611.

116374321638 is a `hidden beast` number, since 1 + 1 + 6 + 3 + 7 + 4 + 3 + 2 + 1 + 638 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 116374321593 and 116374321602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116374321631) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4483053 + ... + 4508936.

It is an arithmetic number, because the mean of its divisors is an integer number (10520628300).

Almost surely, 2^116374321638 is an apocalyptic number.

116374321638 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

116374321638 is an abundant number, since it is smaller than the sum of its proper divisors (136120757562).

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

116374321638 is a wasteful number, since it uses less digits than its factorization.

116374321638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8992716 (or 8992713 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The spelling of 116374321638 in words is "one hundred sixteen billion, three hundred seventy-four million, three hundred twenty-one thousand, six hundred thirty-eight".