320151612 has 24 divisors (see below), whose sum is σ = 814931712. Its totient is φ = 97015600.

The previous prime is 320151593. The next prime is 320151613. The reversal of 320151612 is 216151023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320151613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1212564 + ... + 1212827.

It is an arithmetic number, because the mean of its divisors is an integer number (33955488).

Almost surely, 2^320151612 is an apocalyptic number.

It is an amenable number.

320151612 is an abundant number, since it is smaller than the sum of its proper divisors (494780100).

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

320151612 is a wasteful number, since it uses less digits than its factorization.

320151612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2425409 (or 2425407 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 320151612 is about 17892.7810024043. The cubic root of 320151612 is about 684.0983836459.

The spelling of 320151612 in words is "three hundred twenty million, one hundred fifty-one thousand, six hundred twelve".