100432641661 has 8 divisors (see below), whose sum is σ = 109576503648. Its totient is φ = 91291050000.

The previous prime is 100432641587. The next prime is 100432641703. The reversal of 100432641661 is 166146234001.

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 100432641661 - 2⁹ = 100432641149 is a prime.

It is a super-2 number, since 2×100432641661² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100432641061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 474415 + ... + 652636.

It is an arithmetic number, because the mean of its divisors is an integer number (13697062956).

Almost surely, 2^100432641661 is an apocalyptic number.

100432641661 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

100432641661 is a deficient number, since it is larger than the sum of its proper divisors (9143861987).

100432641661 is a wasteful number, since it uses less digits than its factorization.

100432641661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135163.

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

Adding to 100432641661 its reverse (166146234001), we get a palindrome (266578875662).

The spelling of 100432641661 in words is "one hundred billion, four hundred thirty-two million, six hundred forty-one thousand, six hundred sixty-one".