345555605636604 has 72 divisors (see below), whose sum is σ = 952908693063600. Its totient is φ = 104712398784000.

The previous prime is 345555605636519. The next prime is 345555605636617. The reversal of 345555605636604 is 406636506555543.

It is a happy number.

345555605636604 is a `hidden beast` number, since 3 + 4 + 5 + 5 + 5 + 5 + 6 + 0 + 563 + 6 + 60 + 4 = 666.

It is a super-2 number, since 2×345555605636604² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23478804 + ... + 35247204.

Almost surely, 2^{345555605636604} is an apocalyptic number.

It is an amenable number.

345555605636604 is an abundant number, since it is smaller than the sum of its proper divisors (607353087426996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345555605636604 is a wasteful number, since it uses less digits than its factorization.

345555605636604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11842571 (or 11842566 counting only the distinct ones).

The product of its (nonzero) digits is 583200000, while the sum is 63.

The spelling of 345555605636604 in words is "three hundred forty-five trillion, five hundred fifty-five billion, six hundred five million, six hundred thirty-six thousand, six hundred four".