345006716520 has 64 divisors (see below), whose sum is σ = 1068407907840. Its totient is φ = 89033990400.

The previous prime is 345006716491. The next prime is 345006716543. The reversal of 345006716520 is 25617600543.

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 15 ways as a sum of consecutive naturals, for example, 46368151 + ... + 46375590.

It is an arithmetic number, because the mean of its divisors is an integer number (16693873560).

Almost surely, 2^345006716520 is an apocalyptic number.

345006716520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

345006716520 is an abundant number, since it is smaller than the sum of its proper divisors (723401191320).

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

345006716520 is a wasteful number, since it uses less digits than its factorization.

345006716520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92743786 (or 92743782 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 39.

The spelling of 345006716520 in words is "three hundred forty-five billion, six million, seven hundred sixteen thousand, five hundred twenty".