346345206555 has 16 divisors (see below), whose sum is σ = 555414647040. Its totient is φ = 184296671328.

The previous prime is 346345206503. The next prime is 346345206617. The reversal of 346345206555 is 555602543643.

It is a happy number.

It is not a de Polignac number, because 346345206555 - 2⁶ = 346345206491 is a prime.

It is a super-2 number, since 2×346345206555² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26291457 + ... + 26304626.

It is an arithmetic number, because the mean of its divisors is an integer number (34713415440).

Almost surely, 2^346345206555 is an apocalyptic number.

346345206555 is a deficient number, since it is larger than the sum of its proper divisors (209069440485).

346345206555 is a wasteful number, since it uses less digits than its factorization.

346345206555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52596530.

The product of its (nonzero) digits is 6480000, while the sum is 48.

The spelling of 346345206555 in words is "three hundred forty-six billion, three hundred forty-five million, two hundred six thousand, five hundred fifty-five".