106486661 has 2 divisors, whose sum is σ = 106486662. Its totient is φ = 106486660.

The previous prime is 106486591. The next prime is 106486673. The reversal of 106486661 is 166684601.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106481761 + 4900 = 10319^2 + 70^2 .

It is an emirp because it is prime and its reverse (166684601) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106486661 is a prime.

It is a super-2 number, since 2×106486661² = 22678817941857842, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106485661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53243330 + 53243331.

It is an arithmetic number, because the mean of its divisors is an integer number (53243331).

Almost surely, 2^106486661 is an apocalyptic number.

It is an amenable number.

106486661 is a deficient number, since it is larger than the sum of its proper divisors (1).

106486661 is an equidigital number, since it uses as much as digits as its factorization.

106486661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 106486661 is about 10319.2374233758. The cubic root of 106486661 is about 473.9855149959.

The spelling of 106486661 in words is "one hundred six million, four hundred eighty-six thousand, six hundred sixty-one".