345161515866 has 32 divisors (see below), whose sum is σ = 720603068928. Its totient is φ = 110109119040.

The previous prime is 345161515823. The next prime is 345161515921. The reversal of 345161515866 is 668515161543.

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, 12730570 + ... + 12757653.

It is an arithmetic number, because the mean of its divisors is an integer number (22518845904).

Almost surely, 2^345161515866 is an apocalyptic number.

345161515866 is an abundant number, since it is smaller than the sum of its proper divisors (375441553062).

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

345161515866 is a wasteful number, since it uses less digits than its factorization.

345161515866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25488326.

The product of its digits is 2592000, while the sum is 51.

The spelling of 345161515866 in words is "three hundred forty-five billion, one hundred sixty-one million, five hundred fifteen thousand, eight hundred sixty-six".