101816637338 has 16 divisors (see below), whose sum is σ = 168484568616. Its totient is φ = 45846140160.

The previous prime is 101816637331. The next prime is 101816637347. The reversal of 101816637338 is 833736618101.

It can be written as a sum of positive squares in 4 ways, for example, as 12399490609 + 89417146729 = 111353^2 + 299027^2 .

It is a junction number, because it is equal to n+sod(n) for n = 101816637292 and 101816637301.

It is not an unprimeable number, because it can be changed into a prime (101816637331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47755331 + ... + 47757462.

Almost surely, 2^101816637338 is an apocalyptic number.

101816637338 is a deficient number, since it is larger than the sum of its proper divisors (66667931278).

101816637338 is a wasteful number, since it uses less digits than its factorization.

101816637338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95512849.

The product of its (nonzero) digits is 435456, while the sum is 47.

The spelling of 101816637338 in words is "one hundred one billion, eight hundred sixteen million, six hundred thirty-seven thousand, three hundred thirty-eight".