100165066 has 4 divisors (see below), whose sum is σ = 150247602. Its totient is φ = 50082532.

The previous prime is 100165057. The next prime is 100165073. The reversal of 100165066 is 660561001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 660561001 = 821 ⋅804581.

It can be written as a sum of positive squares in only one way, i.e., 89699841 + 10465225 = 9471^2 + 3235^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 100165066.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25041265 + ... + 25041268.

Almost surely, 2^100165066 is an apocalyptic number.

100165066 is a deficient number, since it is larger than the sum of its proper divisors (50082536).

100165066 is an equidigital number, since it uses as much as digits as its factorization.

100165066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50082535.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 100165066 is about 10008.2498969600. The cubic root of 100165066 is about 464.4141324704.

The spelling of 100165066 in words is "one hundred million, one hundred sixty-five thousand, sixty-six".