340371061657 has 16 divisors (see below), whose sum is σ = 394315657920. Its totient is φ = 290548339200.

The previous prime is 340371061627. The next prime is 340371061661. The reversal of 340371061657 is 756160173043.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340371061657 is a prime.

It is a super-2 number, since 2×340371061657² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (340371061627) 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, 7182444 + ... + 7229677.

It is an arithmetic number, because the mean of its divisors is an integer number (24644728620).

Almost surely, 2^340371061657 is an apocalyptic number.

It is an amenable number.

340371061657 is a deficient number, since it is larger than the sum of its proper divisors (53944596263).

340371061657 is a wasteful number, since it uses less digits than its factorization.

340371061657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14412264.

The product of its (nonzero) digits is 317520, while the sum is 43.

The spelling of 340371061657 in words is "three hundred forty billion, three hundred seventy-one million, sixty-one thousand, six hundred fifty-seven".