1602012144 has 20 divisors (see below), whose sum is σ = 4138531496. Its totient is φ = 534004032.

The previous prime is 1602012109. The next prime is 1602012161. The reversal of 1602012144 is 4412102061.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1602012144.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16687579 + ... + 16687674.

Almost surely, 2^1602012144 is an apocalyptic number.

It is an amenable number.

1602012144 is an abundant number, since it is smaller than the sum of its proper divisors (2536519352).

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

1602012144 is a wasteful number, since it uses less digits than its factorization.

1602012144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33375264 (or 33375258 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1602012144 is about 40025.1438973054. The cubic root of 1602012144 is about 1170.0971852941.

The spelling of 1602012144 in words is "one billion, six hundred two million, twelve thousand, one hundred forty-four".