346646652466 has 4 divisors (see below), whose sum is σ = 519969978702. Its totient is φ = 173323326232.

The previous prime is 346646652463. The next prime is 346646652467. The reversal of 346646652466 is 664256646643.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 664256646643 = 1063 ⋅624888661.

It can be written as a sum of positive squares in only one way, i.e., 297320463441 + 49326189025 = 545271^2 + 222095^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 346646652466.

It is not an unprimeable number, because it can be changed into a prime (346646652463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86661663115 + ... + 86661663118.

Almost surely, 2^346646652466 is an apocalyptic number.

346646652466 is a deficient number, since it is larger than the sum of its proper divisors (173323326236).

346646652466 is a wasteful number, since it uses less digits than its factorization.

346646652466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173323326235.

The product of its digits is 89579520, while the sum is 58.

The spelling of 346646652466 in words is "three hundred forty-six billion, six hundred forty-six million, six hundred fifty-two thousand, four hundred sixty-six".