1662106959988 has 24 divisors (see below), whose sum is σ = 3007579196160. Its totient is φ = 802889036160.

The previous prime is 1662106959979. The next prime is 1662106959991. The reversal of 1662106959988 is 8899596012661.

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 7 ways as a sum of consecutive naturals, for example, 11228398 + ... + 11375461.

It is an arithmetic number, because the mean of its divisors is an integer number (125315799840).

Almost surely, 2^{1662106959988} is an apocalyptic number.

It is an amenable number.

1662106959988 is a deficient number, since it is larger than the sum of its proper divisors (1345472236172).

1662106959988 is a wasteful number, since it uses less digits than its factorization.

1662106959988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22604487 (or 22604485 counting only the distinct ones).

The product of its (nonzero) digits is 100776960, while the sum is 70.

The spelling of 1662106959988 in words is "one trillion, six hundred sixty-two billion, one hundred six million, nine hundred fifty-nine thousand, nine hundred eighty-eight".