345112405566 has 32 divisors (see below), whose sum is σ = 703349580960. Its totient is φ = 112850634624.

The previous prime is 345112405553. The next prime is 345112405579. The reversal of 345112405566 is 665504211543.

It is an interprime number because it is at equal distance from previous prime (345112405553) and next prime (345112405579).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2231640 + ... + 2381268.

It is an arithmetic number, because the mean of its divisors is an integer number (21979674405).

Almost surely, 2^345112405566 is an apocalyptic number.

345112405566 is an abundant number, since it is smaller than the sum of its proper divisors (358237175394).

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

345112405566 is a wasteful number, since it uses less digits than its factorization.

345112405566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156940.

The product of its (nonzero) digits is 432000, while the sum is 42.

The spelling of 345112405566 in words is "three hundred forty-five billion, one hundred twelve million, four hundred five thousand, five hundred sixty-six".