346345446384551 has 16 divisors (see below), whose sum is σ = 363985416551328. Its totient is φ = 329141531376000.

The previous prime is 346345446384533. The next prime is 346345446384577. The reversal of 346345446384551 is 155483644543643.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 346345446384551 - 2¹⁴ = 346345446368167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (346345442384551) 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, 81129761 + ... + 85292021.

It is an arithmetic number, because the mean of its divisors is an integer number (22749088534458).

Almost surely, 2^{346345446384551} is an apocalyptic number.

346345446384551 is a deficient number, since it is larger than the sum of its proper divisors (17639970166777).

346345446384551 is a wasteful number, since it uses less digits than its factorization.

346345446384551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4214642.

The product of its digits is 995328000, while the sum is 65.

The spelling of 346345446384551 in words is "three hundred forty-six trillion, three hundred forty-five billion, four hundred forty-six million, three hundred eighty-four thousand, five hundred fifty-one".