1320071662 has 24 divisors (see below), whose sum is σ = 2480576616. Its totient is φ = 522225648.

The previous prime is 1320071653. The next prime is 1320071671. The reversal of 1320071662 is 2661700231.

It is an interprime number because it is at equal distance from previous prime (1320071653) and next prime (1320071671).

It is a self number, because there is not a number n which added to its sum of digits gives 1320071662.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 516808 + ... + 519355.

It is an arithmetic number, because the mean of its divisors is an integer number (103357359).

Almost surely, 2^1320071662 is an apocalyptic number.

1320071662 is a deficient number, since it is larger than the sum of its proper divisors (1160504954).

1320071662 is a wasteful number, since it uses less digits than its factorization.

1320071662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036192 (or 1036185 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 1320071662 is about 36332.7904516017. The cubic root of 1320071662 is about 1096.9811612489.

Adding to 1320071662 its reverse (2661700231), we get a palindrome (3981771893).

The spelling of 1320071662 in words is "one billion, three hundred twenty million, seventy-one thousand, six hundred sixty-two".