100596661 has 4 divisors (see below), whose sum is σ = 109741824. Its totient is φ = 91451500.

The previous prime is 100596649. The next prime is 100596709. The reversal of 100596661 is 166695001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100596661 - 2²¹ = 98499509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100596061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4572565 + ... + 4572586.

It is an arithmetic number, because the mean of its divisors is an integer number (27435456).

Almost surely, 2^100596661 is an apocalyptic number.

100596661 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

100596661 is a deficient number, since it is larger than the sum of its proper divisors (9145163).

100596661 is an equidigital number, since it uses as much as digits as its factorization.

100596661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9145162.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 100596661 is about 10029.7886817221. The cubic root of 100596661 is about 465.0802050729.

The spelling of 100596661 in words is "one hundred million, five hundred ninety-six thousand, six hundred sixty-one".