320076616 has 8 divisors (see below), whose sum is σ = 600143670. Its totient is φ = 160038304.

The previous prime is 320076607. The next prime is 320076619. The reversal of 320076616 is 616670023.

It can be written as a sum of positive squares in only one way, i.e., 216972900 + 103103716 = 14730^2 + 10154^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×320076616² = 204898080220022912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (320076619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20004781 + ... + 20004796.

Almost surely, 2^320076616 is an apocalyptic number.

It is an amenable number.

320076616 is a deficient number, since it is larger than the sum of its proper divisors (280067054).

320076616 is a wasteful number, since it uses less digits than its factorization.

320076616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40009583 (or 40009579 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 320076616 is about 17890.6851741346. The cubic root of 320076616 is about 684.0449624468.

The spelling of 320076616 in words is "three hundred twenty million, seventy-six thousand, six hundred sixteen".