1320163602 has 8 divisors (see below), whose sum is σ = 2640327216. Its totient is φ = 440054532.

The previous prime is 1320163547. The next prime is 1320163619. The reversal of 1320163602 is 2063610231.

It is a happy number.

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

1320163602 is an admirable number.

It is a super-2 number, since 2×1320163602² = 3485663872091228808, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110013628 + ... + 110013639.

It is an arithmetic number, because the mean of its divisors is an integer number (330040902).

Almost surely, 2^1320163602 is an apocalyptic number.

1320163602 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1320163602 is a wasteful number, since it uses less digits than its factorization.

1320163602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220027272.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 1320163602 is about 36334.0556778348. The cubic root of 1320163602 is about 1097.0066280750.

Adding to 1320163602 its reverse (2063610231), we get a palindrome (3383773833).

The spelling of 1320163602 in words is "one billion, three hundred twenty million, one hundred sixty-three thousand, six hundred two".