1608230612 has 24 divisors (see below), whose sum is σ = 2927575560. Its totient is φ = 772087680.

The previous prime is 1608230551. The next prime is 1608230627. The reversal of 1608230612 is 2160328061.

It can be written as a sum of positive squares in 4 ways, for example, as 155401156 + 1452829456 = 12466^2 + 38116^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17303 + ... + 59294.

It is an arithmetic number, because the mean of its divisors is an integer number (121982315).

Almost surely, 2^1608230612 is an apocalyptic number.

It is an amenable number.

1608230612 is a deficient number, since it is larger than the sum of its proper divisors (1319344948).

1608230612 is a wasteful number, since it uses less digits than its factorization.

1608230612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76811 (or 76809 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 1608230612 is about 40102.7506787253. The cubic root of 1608230612 is about 1171.6092041189.

Adding to 1608230612 its reverse (2160328061), we get a palindrome (3768558673).

The spelling of 1608230612 in words is "one billion, six hundred eight million, two hundred thirty thousand, six hundred twelve".