345161864578 has 16 divisors (see below), whose sum is σ = 520480442880. Its totient is φ = 171669971200.

The previous prime is 345161864563. The next prime is 345161864609. The reversal of 345161864578 is 875468161543.

It is a super-2 number, since 2×345161864578² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39138 + ... + 831778.

It is an arithmetic number, because the mean of its divisors is an integer number (32530027680).

Almost surely, 2^345161864578 is an apocalyptic number.

345161864578 is a deficient number, since it is larger than the sum of its proper divisors (175318578302).

345161864578 is a wasteful number, since it uses less digits than its factorization.

345161864578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793793.

The product of its digits is 19353600, while the sum is 58.

The spelling of 345161864578 in words is "three hundred forty-five billion, one hundred sixty-one million, eight hundred sixty-four thousand, five hundred seventy-eight".