1605016012 has 24 divisors (see below), whose sum is σ = 2894985072. Its totient is φ = 778118400.

The previous prime is 1605015959. The next prime is 1605016027. The reversal of 1605016012 is 2106105061.

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, 3289 + ... + 56752.

It is an arithmetic number, because the mean of its divisors is an integer number (120624378).

Almost surely, 2^1605016012 is an apocalyptic number.

It is an amenable number.

1605016012 is a deficient number, since it is larger than the sum of its proper divisors (1289969060).

1605016012 is a wasteful number, since it uses less digits than its factorization.

1605016012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60249 (or 60247 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 1605016012 is about 40062.6510855185. The cubic root of 1605016012 is about 1170.8280625973.

The spelling of 1605016012 in words is "one billion, six hundred five million, sixteen thousand, twelve".