100738004531638 has 16 divisors (see below), whose sum is σ = 157677092091360. Its totient is φ = 48178979818816.

The previous prime is 100738004531603. The next prime is 100738004531651. The reversal of 100738004531638 is 836135400837001.

It is a junction number, because it is equal to n+sod(n) for n = 100738004531591 and 100738004531600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57856956 + ... + 59572672.

It is an arithmetic number, because the mean of its divisors is an integer number (9854818255710).

Almost surely, 2^{100738004531638} is an apocalyptic number.

100738004531638 is a deficient number, since it is larger than the sum of its proper divisors (56939087559722).

100738004531638 is a wasteful number, since it uses less digits than its factorization.

100738004531638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2992151.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 100738004531638 in words is "one hundred trillion, seven hundred thirty-eight billion, four million, five hundred thirty-one thousand, six hundred thirty-eight".