1662263002 has 8 divisors (see below), whose sum is σ = 2494960596. Its totient is φ = 830609472.

The previous prime is 1662262939. The next prime is 1662263003. The reversal of 1662263002 is 2003622661.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1653316921 + 8946081 = 40661^2 + 2991^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1662263003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257023 + ... + 263410.

Almost surely, 2^1662263002 is an apocalyptic number.

1662263002 is a deficient number, since it is larger than the sum of its proper divisors (832697594).

1662263002 is a wasteful number, since it uses less digits than its factorization.

1662263002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522032.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 1662263002 is about 40770.8597162238. The cubic root of 1662263002 is about 1184.5859561037.

Adding to 1662263002 its reverse (2003622661), we get a palindrome (3665885663).

The spelling of 1662263002 in words is "one billion, six hundred sixty-two million, two hundred sixty-three thousand, two".