100442631661 has 8 divisors (see below), whose sum is σ = 101026728000. Its totient is φ = 99860067552.

The previous prime is 100442631637. The next prime is 100442631671. The reversal of 100442631661 is 166136244001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100442631661 - 2⁷ = 100442631533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100442631671) 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, 251440 + ... + 513913.

It is an arithmetic number, because the mean of its divisors is an integer number (12628341000).

Almost surely, 2^100442631661 is an apocalyptic number.

It is an amenable number.

100442631661 is a deficient number, since it is larger than the sum of its proper divisors (584096339).

100442631661 is an equidigital number, since it uses as much as digits as its factorization.

100442631661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766115.

The product of its (nonzero) digits is 20736, while the sum is 34.

Adding to 100442631661 its reverse (166136244001), we get a palindrome (266578875662).

The spelling of 100442631661 in words is "one hundred billion, four hundred forty-two million, six hundred thirty-one thousand, six hundred sixty-one".