1602206566 has 4 divisors (see below), whose sum is σ = 2403309852. Its totient is φ = 801103282.

The previous prime is 1602206561. The next prime is 1602206591. The reversal of 1602206566 is 6656022061.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1602206561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400551640 + ... + 400551643.

It is an arithmetic number, because the mean of its divisors is an integer number (600827463).

Almost surely, 2^1602206566 is an apocalyptic number.

1602206566 is a deficient number, since it is larger than the sum of its proper divisors (801103286).

1602206566 is an equidigital number, since it uses as much as digits as its factorization.

1602206566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801103285.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 1602206566 is about 40027.5725719160. The cubic root of 1602206566 is about 1170.1445181506.

The spelling of 1602206566 in words is "one billion, six hundred two million, two hundred six thousand, five hundred sixty-six".