1602666506 has 16 divisors (see below), whose sum is σ = 2748230016. Its totient is φ = 686656656.

The previous prime is 1602666503. The next prime is 1602666529. The reversal of 1602666506 is 6056662061.

It is a self number, because there is not a number n which added to its sum of digits gives 1602666506.

It is not an unprimeable number, because it can be changed into a prime (1602666503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39515 + ... + 69041.

It is an arithmetic number, because the mean of its divisors is an integer number (171764376).

Almost surely, 2^1602666506 is an apocalyptic number.

1602666506 is a deficient number, since it is larger than the sum of its proper divisors (1145563510).

1602666506 is a wasteful number, since it uses less digits than its factorization.

1602666506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33413.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 1602666506 is about 40033.3174493446. The cubic root of 1602666506 is about 1170.2564772429.

The spelling of 1602666506 in words is "one billion, six hundred two million, six hundred sixty-six thousand, five hundred six".