246189661 has 2 divisors, whose sum is σ = 246189662. Its totient is φ = 246189660.

The previous prime is 246189637. The next prime is 246189739. The reversal of 246189661 is 166981642.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 240064036 + 6125625 = 15494^2 + 2475^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-246189661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (246589661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123094830 + 123094831.

It is an arithmetic number, because the mean of its divisors is an integer number (123094831).

Almost surely, 2^246189661 is an apocalyptic number.

It is an amenable number.

246189661 is a deficient number, since it is larger than the sum of its proper divisors (1).

246189661 is an equidigital number, since it uses as much as digits as its factorization.

246189661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 43.

The square root of 246189661 is about 15690.4321482871. The cubic root of 246189661 is about 626.7436417379.

The spelling of 246189661 in words is "two hundred forty-six million, one hundred eighty-nine thousand, six hundred sixty-one".