320154535684 has 9 divisors (see below), whose sum is σ = 560272417831. Its totient is φ = 160076702020.

The previous prime is 320154535681. The next prime is 320154535703. The reversal of 320154535684 is 486535451023.

It is a happy number.

The square root of 320154535684 is 565822.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320154535681) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 990189 + ... + 1273099.

Almost surely, 2^320154535684 is an apocalyptic number.

320154535684 is the 565822-nd square number.

It is an amenable number.

320154535684 is a deficient number, since it is larger than the sum of its proper divisors (240117882147).

320154535684 is an frugal number, since it uses more digits than its factorization.

320154535684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565826 (or 282913 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 46.

The spelling of 320154535684 in words is "three hundred twenty billion, one hundred fifty-four million, five hundred thirty-five thousand, six hundred eighty-four".