100537557698 has 18 divisors (see below), whose sum is σ = 151993309689. Its totient is φ = 49876192392.

The previous prime is 100537557697. The next prime is 100537557719. The reversal of 100537557698 is 896755735001.

It can be written as a sum of positive squares in 2 ways, for example, as 98946106249 + 1591451449 = 314557^2 + 39893^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=224207.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100537557697) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 62328740 + ... + 62330352.

Almost surely, 2^100537557698 is an apocalyptic number.

100537557698 is a deficient number, since it is larger than the sum of its proper divisors (51455751991).

100537557698 is an frugal number, since it uses more digits than its factorization.

100537557698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3506 (or 1754 counting only the distinct ones).

The product of its (nonzero) digits is 7938000, while the sum is 56.

The spelling of 100537557698 in words is "one hundred billion, five hundred thirty-seven million, five hundred fifty-seven thousand, six hundred ninety-eight".