104621630406 has 12 divisors (see below), whose sum is σ = 209244845412. Its totient is φ = 34873612704.

The previous prime is 104621630389. The next prime is 104621630411. The reversal of 104621630406 is 604036126401.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 726270 + ... + 858318.

It is an arithmetic number, because the mean of its divisors is an integer number (17437070451).

Almost surely, 2^104621630406 is an apocalyptic number.

104621630406 is an abundant number, since it is smaller than the sum of its proper divisors (104623215006).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

104621630406 is an frugal number, since it uses more digits than its factorization.

104621630406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264103 (or 132054 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

Adding to 104621630406 its reverse (604036126401), we get a palindrome (708657756807).

The spelling of 104621630406 in words is "one hundred four billion, six hundred twenty-one million, six hundred thirty thousand, four hundred six".