100146661 has 2 divisors, whose sum is σ = 100146662. Its totient is φ = 100146660.

The previous prime is 100146653. The next prime is 100146667. The reversal of 100146661 is 166641001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67141636 + 33005025 = 8194^2 + 5745^2 .

It is a cyclic number.

It is not a de Polignac number, because 100146661 - 2³ = 100146653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100146667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50073330 + 50073331.

It is an arithmetic number, because the mean of its divisors is an integer number (50073331).

Almost surely, 2^100146661 is an apocalyptic number.

It is an amenable number.

100146661 is a deficient number, since it is larger than the sum of its proper divisors (1).

100146661 is an equidigital number, since it uses as much as digits as its factorization.

100146661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 100146661 is about 10007.3303632887. The cubic root of 100146661 is about 464.3856858738.

Adding to 100146661 its reverse (166641001), we get a palindrome (266787662).

The spelling of 100146661 in words is "one hundred million, one hundred forty-six thousand, six hundred sixty-one".