1662402442268 has 12 divisors (see below), whose sum is σ = 2913742818672. Its totient is φ = 829904494080.

The previous prime is 1662402442237. The next prime is 1662402442289. The reversal of 1662402442268 is 8622442042661.

It is a super-2 number, since 2×1662402442268² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324178880 + ... + 324184007.

It is an arithmetic number, because the mean of its divisors is an integer number (242811901556).

Almost surely, 2^{1662402442268} is an apocalyptic number.

It is an amenable number.

1662402442268 is a deficient number, since it is larger than the sum of its proper divisors (1251340376404).

1662402442268 is a wasteful number, since it uses less digits than its factorization.

1662402442268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648363532 (or 648363530 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 47.

The spelling of 1662402442268 in words is "one trillion, six hundred sixty-two billion, four hundred two million, four hundred forty-two thousand, two hundred sixty-eight".