340812164657 has 8 divisors (see below), whose sum is σ = 342567465600. Its totient is φ = 339057290880.

The previous prime is 340812164629. The next prime is 340812164659. The reversal of 340812164657 is 756461218043.

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

It is a cyclic number.

It is not a de Polignac number, because 340812164657 - 2⁸ = 340812164401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340812164659) 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, 1559732 + ... + 1764762.

It is an arithmetic number, because the mean of its divisors is an integer number (42820933200).

Almost surely, 2^340812164657 is an apocalyptic number.

It is an amenable number.

340812164657 is a deficient number, since it is larger than the sum of its proper divisors (1755300943).

340812164657 is a wasteful number, since it uses less digits than its factorization.

340812164657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213583.

The product of its (nonzero) digits is 967680, while the sum is 47.

The spelling of 340812164657 in words is "three hundred forty billion, eight hundred twelve million, one hundred sixty-four thousand, six hundred fifty-seven".