346660720055 has 8 divisors (see below), whose sum is σ = 447992315232. Its totient is φ = 255995608608.

The previous prime is 346660720027. The next prime is 346660720097. The reversal of 346660720055 is 550027066643.

It is a happy number.

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 346660720055 - 2³⁴ = 329480850871 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 346660719988 and 346660720015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2666620859 + ... + 2666620988.

It is an arithmetic number, because the mean of its divisors is an integer number (55999039404).

Almost surely, 2^346660720055 is an apocalyptic number.

346660720055 is a deficient number, since it is larger than the sum of its proper divisors (101331595177).

346660720055 is a wasteful number, since it uses less digits than its factorization.

346660720055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5333241865.

The product of its (nonzero) digits is 907200, while the sum is 44.

Adding to 346660720055 its reverse (550027066643), we get a palindrome (896687786698).

The spelling of 346660720055 in words is "three hundred forty-six billion, six hundred sixty million, seven hundred twenty thousand, fifty-five".