100027661 has 8 divisors (see below), whose sum is σ = 101418240. Its totient is φ = 98644608.

The previous prime is 100027657. The next prime is 100027663. The reversal of 100027661 is 166720001.

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

It is a cyclic number.

It is not a de Polignac number, because 100027661 - 2² = 100027657 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 (100027663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28100 + ... + 31458.

It is an arithmetic number, because the mean of its divisors is an integer number (12677280).

Almost surely, 2^100027661 is an apocalyptic number.

It is an amenable number.

100027661 is a deficient number, since it is larger than the sum of its proper divisors (1390579).

100027661 is an equidigital number, since it uses as much as digits as its factorization.

100027661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3763.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 100027661 is about 10001.3829543719. The cubic root of 100027661 is about 464.2016764121.

Adding to 100027661 its reverse (166720001), we get a palindrome (266747662).

The spelling of 100027661 in words is "one hundred million, twenty-seven thousand, six hundred sixty-one".