340405357161 has 16 divisors (see below), whose sum is σ = 459975047168. Its totient is φ = 223906032000.

The previous prime is 340405357087. The next prime is 340405357177. The reversal of 340405357161 is 161753504043.

It is a de Polignac number, because none of the positive numbers 2^k-340405357161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340405357181) 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, 2399140 + ... + 2537061.

It is an arithmetic number, because the mean of its divisors is an integer number (28748440448).

Almost surely, 2^340405357161 is an apocalyptic number.

It is an amenable number.

340405357161 is a deficient number, since it is larger than the sum of its proper divisors (119569690007).

340405357161 is a wasteful number, since it uses less digits than its factorization.

340405357161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4936512.

The product of its (nonzero) digits is 151200, while the sum is 39.

The spelling of 340405357161 in words is "three hundred forty billion, four hundred five million, three hundred fifty-seven thousand, one hundred sixty-one".