100016690 has 16 divisors (see below), whose sum is σ = 180735192. Its totient is φ = 39849984.

The previous prime is 100016689. The next prime is 100016717. The reversal of 100016690 is 96610001.

It can be written as a sum of positive squares in 4 ways, for example, as 87815641 + 12201049 = 9371^2 + 3493^2 .

It is a super-2 number, since 2×100016690² = 20006676557112200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16889 + ... + 22028.

Almost surely, 2^100016690 is an apocalyptic number.

100016690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100016690 is a deficient number, since it is larger than the sum of its proper divisors (80718502).

100016690 is a wasteful number, since it uses less digits than its factorization.

100016690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39181.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 100016690 is about 10000.8344651834. The cubic root of 100016690 is about 464.1847046307.

Adding to 100016690 its reverse (96610001), we get a palindrome (196626691).

The spelling of 100016690 in words is "one hundred million, sixteen thousand, six hundred ninety".