100166617 has 4 divisors (see below), whose sum is σ = 100197796. Its totient is φ = 100135440.

The previous prime is 100166579. The next prime is 100166621. The reversal of 100166617 is 716661001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17065161 + 83101456 = 4131^2 + 9116^2 .

It is a cyclic number.

It is not a de Polignac number, because 100166617 - 2⁷ = 100166489 is a prime.

It is a super-2 number, since 2×100166617² = 20066702322449378, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100166687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10134 + ... + 17407.

It is an arithmetic number, because the mean of its divisors is an integer number (25049449).

Almost surely, 2^100166617 is an apocalyptic number.

It is an amenable number.

100166617 is a deficient number, since it is larger than the sum of its proper divisors (31179).

100166617 is an equidigital number, since it uses as much as digits as its factorization.

100166617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31178.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 100166617 is about 10008.3273827348. The cubic root of 100166617 is about 464.4165295223.

The spelling of 100166617 in words is "one hundred million, one hundred sixty-six thousand, six hundred seventeen".