340046643620663 has 16 divisors (see below), whose sum is σ = 402026937154560. Its totient is φ = 281416967916000.

The previous prime is 340046643620641. The next prime is 340046643620683. The reversal of 340046643620663 is 366026346640043.

It is not a de Polignac number, because 340046643620663 - 2⁴⁶ = 269677899442999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340046643620683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61466018 + ... + 66769488.

It is an arithmetic number, because the mean of its divisors is an integer number (25126683572160).

Almost surely, 2^{340046643620663} is an apocalyptic number.

340046643620663 is a deficient number, since it is larger than the sum of its proper divisors (61980293533897).

340046643620663 is a wasteful number, since it uses less digits than its factorization.

340046643620663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5619358.

The product of its (nonzero) digits is 26873856, while the sum is 53.

The spelling of 340046643620663 in words is "three hundred forty trillion, forty-six billion, six hundred forty-three million, six hundred twenty thousand, six hundred sixty-three".