100505091466 has 8 divisors (see below), whose sum is σ = 162354378564. Its totient is φ = 46386965280.

The previous prime is 100505091457. The next prime is 100505091473. The reversal of 100505091466 is 664190505001.

It can be written as a sum of positive squares in 2 ways, for example, as 100213399225 + 291692241 = 316565^2 + 17079^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1932790195 + ... + 1932790246.

Almost surely, 2^100505091466 is an apocalyptic number.

100505091466 is a deficient number, since it is larger than the sum of its proper divisors (61849287098).

100505091466 is a wasteful number, since it uses less digits than its factorization.

100505091466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3865580456.

The product of its (nonzero) digits is 32400, while the sum is 37.

Adding to 100505091466 its reverse (664190505001), we get a palindrome (764695596467).

The spelling of 100505091466 in words is "one hundred billion, five hundred five million, ninety-one thousand, four hundred sixty-six".