100641406 has 16 divisors (see below), whose sum is σ = 155322720. Its totient is φ = 48872160.

The previous prime is 100641389. The next prime is 100641419. The reversal of 100641406 is 604146001.

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, 61276 + ... + 62896.

It is an arithmetic number, because the mean of its divisors is an integer number (9707670).

Almost surely, 2^100641406 is an apocalyptic number.

100641406 is a deficient number, since it is larger than the sum of its proper divisors (54681314).

100641406 is a wasteful number, since it uses less digits than its factorization.

100641406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2499.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 100641406 is about 10032.0190390569. The cubic root of 100641406 is about 465.1491501350.

Adding to 100641406 its reverse (604146001), we get a palindrome (704787407).

The spelling of 100641406 in words is "one hundred million, six hundred forty-one thousand, four hundred six".