1655127646623 has 16 divisors (see below), whose sum is σ = 2674953772800. Its totient is φ = 1003107664440.

The previous prime is 1655127646603. The next prime is 1655127646663. The reversal of 1655127646623 is 3266467215561.

1655127646623 is a `hidden beast` number, since 1 + 6 + 5 + 5 + 1 + 2 + 7 + 6 + 4 + 6 + 623 = 666.

It is not a de Polignac number, because 1655127646623 - 2¹⁰ = 1655127645599 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1655127646623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1655127646603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2786409883 + ... + 2786410476.

It is an arithmetic number, because the mean of its divisors is an integer number (167184610800).

Almost surely, 2^{1655127646623} is an apocalyptic number.

1655127646623 is a deficient number, since it is larger than the sum of its proper divisors (1019826126177).

1655127646623 is a wasteful number, since it uses less digits than its factorization.

1655127646623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5572820379 (or 5572820373 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 54.

The spelling of 1655127646623 in words is "one trillion, six hundred fifty-five billion, one hundred twenty-seven million, six hundred forty-six thousand, six hundred twenty-three".