340343601663 has 8 divisors (see below), whose sum is σ = 488698505008. Its totient is φ = 209442216384.

The previous prime is 340343601659. The next prime is 340343601701. The reversal of 340343601663 is 366106343043.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 340343601663 - 2² = 340343601659 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 8726759017 = 340343601663 / (3 + 4 + 0 + 3 + 4 + 3 + 6 + 0 + 1 + 6 + 6 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340343601623) 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, 4363379470 + ... + 4363379547.

It is an arithmetic number, because the mean of its divisors is an integer number (61087313126).

Almost surely, 2^340343601663 is an apocalyptic number.

340343601663 is a deficient number, since it is larger than the sum of its proper divisors (148354903345).

340343601663 is a wasteful number, since it uses less digits than its factorization.

340343601663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8726759033.

The product of its (nonzero) digits is 279936, while the sum is 39.

The spelling of 340343601663 in words is "three hundred forty billion, three hundred forty-three million, six hundred one thousand, six hundred sixty-three".