1655603666006 has 8 divisors (see below), whose sum is σ = 2506614896520. Its totient is φ = 820065367168.

The previous prime is 1655603665967. The next prime is 1655603666051. The reversal of 1655603666006 is 6006663065561.

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

It is a congruent number.

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, 3868232651 + ... + 3868233078.

It is an arithmetic number, because the mean of its divisors is an integer number (313326862065).

Almost surely, 2^{1655603666006} is an apocalyptic number.

1655603666006 is a deficient number, since it is larger than the sum of its proper divisors (851011230514).

1655603666006 is a wasteful number, since it uses less digits than its factorization.

1655603666006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7736465838.

The product of its (nonzero) digits is 3499200, while the sum is 50.

The spelling of 1655603666006 in words is "one trillion, six hundred fifty-five billion, six hundred three million, six hundred sixty-six thousand, six".