340661503516 has 6 divisors (see below), whose sum is σ = 596157631160. Its totient is φ = 170330751756.

The previous prime is 340661503493. The next prime is 340661503517. The reversal of 340661503516 is 615305166043.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340661503517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42582687936 + ... + 42582687943.

Almost surely, 2^340661503516 is an apocalyptic number.

It is an amenable number.

340661503516 is a deficient number, since it is larger than the sum of its proper divisors (255496127644).

340661503516 is a wasteful number, since it uses less digits than its factorization.

340661503516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85165375883 (or 85165375881 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 40.

Adding to 340661503516 its reverse (615305166043), we get a palindrome (955966669559).

The spelling of 340661503516 in words is "three hundred forty billion, six hundred sixty-one million, five hundred three thousand, five hundred sixteen".