320218212634 has 16 divisors (see below), whose sum is σ = 487229722560. Its totient is φ = 157811211360.

The previous prime is 320218212617. The next prime is 320218212659. The reversal of 320218212634 is 436212812023.

It is a self number, because there is not a number n which added to its sum of digits gives 320218212634.

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 7 ways as a sum of consecutive naturals, for example, 505164 + ... + 946375.

It is an arithmetic number, because the mean of its divisors is an integer number (30451857660).

Almost surely, 2^320218212634 is an apocalyptic number.

320218212634 is a deficient number, since it is larger than the sum of its proper divisors (167011509926).

320218212634 is a wasteful number, since it uses less digits than its factorization.

320218212634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1453125.

The product of its (nonzero) digits is 27648, while the sum is 34.

The spelling of 320218212634 in words is "three hundred twenty billion, two hundred eighteen million, two hundred twelve thousand, six hundred thirty-four".