246661340066 has 16 divisors (see below), whose sum is σ = 375764741880. Its totient is φ = 121420840320.

The previous prime is 246661340063. The next prime is 246661340071. The reversal of 246661340066 is 660043166642.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 199563225625 + 47098114441 = 446725^2 + 217021^2 .

It is a junction number, because it is equal to n+sod(n) for n = 246661339999 and 246661340026.

It is not an unprimeable number, because it can be changed into a prime (246661340063) 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, 3569195 + ... + 3637646.

Almost surely, 2^246661340066 is an apocalyptic number.

246661340066 is a deficient number, since it is larger than the sum of its proper divisors (129103401814).

246661340066 is a wasteful number, since it uses less digits than its factorization.

246661340066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7207109.

The product of its (nonzero) digits is 746496, while the sum is 44.

The spelling of 246661340066 in words is "two hundred forty-six billion, six hundred sixty-one million, three hundred forty thousand, sixty-six".