1602428805 has 32 divisors (see below), whose sum is σ = 2850990720. Its totient is φ = 853960320.

The previous prime is 1602428747. The next prime is 1602428813. The reversal of 1602428805 is 5088242061.

1602428805 is a `hidden beast` number, since 1 + 602 + 42 + 8 + 8 + 0 + 5 = 666.

It is not a de Polignac number, because 1602428805 - 2¹⁷ = 1602297733 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1602428805.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 202809 + ... + 210561.

It is an arithmetic number, because the mean of its divisors is an integer number (89093460).

Almost surely, 2^1602428805 is an apocalyptic number.

1602428805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1602428805 is a deficient number, since it is larger than the sum of its proper divisors (1248561915).

1602428805 is a wasteful number, since it uses less digits than its factorization.

1602428805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9298 (or 9292 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 1602428805 is about 40030.3485495692. The cubic root of 1602428805 is about 1170.1986184832.

The spelling of 1602428805 in words is "one billion, six hundred two million, four hundred twenty-eight thousand, eight hundred five".