100416616661 has 2 divisors, whose sum is σ = 100416616662. Its totient is φ = 100416616660.

The previous prime is 100416616649. The next prime is 100416616687. The reversal of 100416616661 is 166616614001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79538100625 + 20878516036 = 282025^2 + 144494^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100416616661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100416612661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50208308330 + 50208308331.

It is an arithmetic number, because the mean of its divisors is an integer number (50208308331).

Almost surely, 2^100416616661 is an apocalyptic number.

It is an amenable number.

100416616661 is a deficient number, since it is larger than the sum of its proper divisors (1).

100416616661 is an equidigital number, since it uses as much as digits as its factorization.

100416616661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 38.

The spelling of 100416616661 in words is "one hundred billion, four hundred sixteen million, six hundred sixteen thousand, six hundred sixty-one".