320190516 has 24 divisors (see below), whose sum is σ = 830123840. Its totient is φ = 106730136.

The previous prime is 320190491. The next prime is 320190523. The reversal of 320190516 is 615091023.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 320190516.

It is a congruent number.

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, 1482256 + ... + 1482471.

Almost surely, 2^320190516 is an apocalyptic number.

320190516 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

320190516 is an abundant number, since it is smaller than the sum of its proper divisors (509933324).

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

320190516 is a wasteful number, since it uses less digits than its factorization.

320190516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2964740 (or 2964732 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 320190516 is about 17893.8681117303. The cubic root of 320190516 is about 684.1260924819.

The spelling of 320190516 in words is "three hundred twenty million, one hundred ninety thousand, five hundred sixteen".