340603161655603 has 72 divisors (see below), whose sum is σ = 455659009987104. Its totient is φ = 253185067618560.

The previous prime is 340603161655583. The next prime is 340603161655637. The reversal of 340603161655603 is 306556161306043.

It is a happy number.

It is not a de Polignac number, because 340603161655603 - 2⁵ = 340603161655571 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (340603161655303) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 47516775 + ... + 54213007.

It is an arithmetic number, because the mean of its divisors is an integer number (6328597360932).

Almost surely, 2^{340603161655603} is an apocalyptic number.

340603161655603 is a deficient number, since it is larger than the sum of its proper divisors (115055848331501).

340603161655603 is a wasteful number, since it uses less digits than its factorization.

340603161655603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6696665 (or 6696647 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 49.

The spelling of 340603161655603 in words is "three hundred forty trillion, six hundred three billion, one hundred sixty-one million, six hundred fifty-five thousand, six hundred three".