1616668166662 has 8 divisors (see below), whose sum is σ = 2425194184896. Its totient is φ = 808270105032.

The previous prime is 1616668166639. The next prime is 1616668166671. The reversal of 1616668166662 is 2666618666161.

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

It is a super-2 number, since 2×1616668166662² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1616668166662.

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 3 ways as a sum of consecutive naturals, for example, 31957558 + ... + 32008105.

It is an arithmetic number, because the mean of its divisors is an integer number (303149273112).

Almost surely, 2^{1616668166662} is an apocalyptic number.

1616668166662 is a deficient number, since it is larger than the sum of its proper divisors (808526018234).

1616668166662 is a wasteful number, since it uses less digits than its factorization.

1616668166662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63978302.

The product of its digits is 26873856, while the sum is 61.

The spelling of 1616668166662 in words is "one trillion, six hundred sixteen billion, six hundred sixty-eight million, one hundred sixty-six thousand, six hundred sixty-two".